PM7340-PI PMC-Sierra Inc, PM7340-PI Datasheet
PM7340-PI
Specifications of PM7340-PI
Available stocks
Related parts for PM7340-PI
PM7340-PI Summary of contents
Page 1
... INVERSE MULTIPLEXING OVER ATM DATA SHEET PMC-2001723 S/UNI INVERSE MULTIPLEXING FOR PROPRIETARY AND CONFIDENTIAL PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 ATM, 8 LINKS DATA SHEET PRELIMINARY ISSUE 3: FEBUARY, 2001 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM i ...
Page 2
... TRANSMIT SLAVE INTERFACE (ANY-PHY MODE) (30 SIGNALS)21 9.3 TRANSMIT SLAVE INTERFACE (UTOPIA L2 MODE) (26 SIGNALS).................................................................................... 24 9.4 MICROPROCESSOR INTERFACE (31 SIGNALS)..................... 26 9.5 SDRAM I/F (35 SIGNALS) .......................................................... 28 9.6 CLK/DATA (33 SIGNALS)............................................................ 31 9.7 GENERAL (5 SIGNALS) ............................................................. 35 9.8 JTAG & SCAN INTERFACE (7 SIGNALS) .................................. 37 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM ii ...
Page 3
... SUPPORT OF DIFFERENT IMA VERSIONS................... 80 10.2.9 SDRAM INTERFACE........................................................ 81 10.3 LINK FIFOS................................................................................. 84 10.4 TC LAYER ................................................................................... 85 10.4 LAYER (TTTC) ...................................................... 85 10.4 LAYER (RTTC)...................................................... 85 10.5 LINE SIDE PHYSICAL LAYER .................................................... 87 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 MODES .......................................................................... 80 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM iii ...
Page 4
... RDAT REGISTERS ................................................................... 215 11.9 TIMA REGISTERS .................................................................... 241 11.10 TX IDCC REGISTERS .............................................................. 252 11.11 RX IDCC REGISTERS .............................................................. 254 12 OPERATION ........................................................................................ 258 12.1 HARDWARE CONFIGURATION............................................... 258 12.2 START-UP ................................................................................. 258 12.3 CONFIGURING THE S/UNI-IMA-8............................................ 259 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM iv ...
Page 5
... FAULTING/INHIBITING LINKS ...................................... 278 12.5.10 CHANGE TRL .............................................................. 278 12.5.11 DELETING A LINK FROM A GROUP ........................... 279 12.5.12 TEST PATTERN PROCEDURES ................................. 279 12.5.13 IMA EVENTS ................................................................ 279 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 CONVERGENCE OPERATIONS ................................. 263 (START LASR) ............................................................. 277 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM v ...
Page 6
... ABSOLUTE MAXIMUM RATINGS ....................................................... 299 CHARACTERISTICS .................................................................. 300 16 A.C. TIMING CHARACTERISTICS...................................................... 303 16.1 MICROPROCESSOR INTERFACE TIMING CHARACTERISTICS .................................................................................................. 303 16.2 SYNCHRONOUS I/O TIMING................................................... 307 16.3 JTAG TIMING .............................................................................311 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 ..................................................................................... 293 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM vi ...
Page 7
... PRELIMINARY INVERSE MULTIPLEXING OVER ATM DATA SHEET PMC-2001723 17 ORDERING AND THERMAL INFORMATION...................................... 313 18 MECHANICAL INFORMATION ............................................................ 314 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM vii ...
Page 8
... SMALLER TRANSPORT DELAY....................................................... 63 FIGURE 16 - SNAPSHOT OF DCB BUFFERS WHEN TRYING TO ADD LINK WITH LARGER TRANSPORT DELAY............................................... 64 FIGURE 17 - SNAPSHOT OF DCB BUFFERS AFTER DELAY ADJUSTMENT 65 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM viii ...
Page 9
... FIGURE 34 - ANY-PHY TRANSMIT SLAVE .................................................... 292 FIGURE 35 - UTOPIA L2 MULTI-PHY RECEIVE SLAVE................................ 293 FIGURE 36 - UTOPIA L2 SINGLE-PHY RECEIVE SLAVE ............................. 293 FIGURE 37 - ANY-PHY RECEIVE SLAVE ...................................................... 294 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM ix ...
Page 10
... FIGURE 42 - MICROPROCESSOR INTERFACE READ TIMING .................. 304 FIGURE 43 - MICROPROCESSOR INTERFACE WRITE TIMING ................. 306 FIGURE 44 - RSTB TIMING............................................................................ 307 FIGURE 45 - SYNCHRONOUS I/O TIMING ................................................... 307 FIGURE 46 - JTAG PORT INTERFACE TIMING ............................................ 312 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM x ...
Page 11
... TABLE 18 LINK EVENT INTERRUPT BIT MAPPING................................... 207 TABLE 19 LINK STATUS BIT MAPPING ...................................................... 209 TABLE 20 RECEIVE ICP CELL BUFFER STRUCTURE .............................. 213 TABLE 21 RDAT LINK STATISTICS RECORD (IMA) ................................... 219 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xi ...
Page 12
... TABLE 40 MICROPROCESSOR INTERFACE READ ACCESS................... 303 TABLE 41 MICROPROCESSOR INTERFACE WRITE ACCESS ................. 305 TABLE 42 RTSB TIMING .............................................................................. 306 TABLE 43 SYSCLK AND REFCLK TIMING.................................................. 307 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xii ...
Page 13
... TABLE 48 SERIAL LINK OUTPUT................................................................ 310 TABLE 49 JTAG PORT INTERFACE .............................................................311 TABLE 50 ORDERING AND THERMAL INFORMATION.............................. 313 TABLE 51 THERMAL INFORMATION - THETA JA VS. AIRFLOW ............... 313 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xiii ...
Page 14
... REGISTER 0X042 SDRAM DIAGNOSTICS....................................................119 REGISTER 0X044: SDRAM DIAG BURST RAM INDIRECT ACCESS .......... 120 REGISTER 0X046: SDRAM DIAG INDIRECT BURST RAM DATA LSB ........ 121 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xiv ...
Page 15
... REGISTER 0X182: TCAS INDIRECT CHANNEL DATA ................................. 144 REGISTER 0X184: FRAMING BIT THRESHOLD .......................................... 145 REGISTER 0X186: TCAS IDLE TIME-SLOT FILL DATA................................ 146 REGISTER 0X188: TCAS CHANNEL DISABLE REGISTER ......................... 147 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xv ...
Page 16
... REGISTER 0X300: RDAT INDIRECT MEMORY COMMAND ........................ 215 REGISTER 0X302: RDAT INDIRECT MEMORY ADDRESS .......................... 217 REGISTER 0X304: RDAT INDIRECT MEMORY DATA LSB .......................... 218 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xvi ...
Page 17
... REGISTER 0X350: RXIDCC INDIRECT LINK ACCESS ................................ 254 REGISTER 0X352: RXIDCC INDIRECT LINK DATA REGISTER 1................ 256 REGISTER 0X366: DLL CONTROL STATUS................................................. 257 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM xvii ...
Page 18
... Loss of Cell Delineation LID Link ID LSI Link Stuff Indication MIB Management Information Base MCFD Multi-Channel Cell Based FIFO OAM Operation, Administration and Maintenance PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 1 ...
Page 19
... TSB Telecom Systems Block TC Transmission Convergence TIMA TX IMA Processor Unframed No framing information available UTOPIA Universal Test & Operations PHY Interface for ATM PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 2 ...
Page 20
... DATA SHEET PMC-2001723 2 FEATURES The PM7340 S/UNI-IMA monolithic integrated circuit that implements the Inverse Multiplexing for ATM (IMA 1.1) protocol with backward compatibility to IMA 1.0 and the Transmission Convergence (TC) layer function. The S/UNI- IMA-8 supports 8 T1 unchannelized links where each link is dynamically configurable to support either IMA 1 ...
Page 21
... Rx Link stuff events Tx Link stuff events User cells Filler cells Provides per group counters for statistics and performance monitoring: User cells received PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 4 ...
Page 22
... Any-PHY receive slave appears as a single device. The PHY-ID of each cell is identified in the in-band address. UTOPIA L2 receive slave appears port multi-PHY. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 5 ...
Page 23
... The S/UNI-IMA device driver is compatible across the S/UNI-IMA family of devices. Packaging Implemented in low power, 0.18 micron, 1.8V CMOS technology with TTL compatible inputs and outputs. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 6 ...
Page 24
... PRELIMINARY INVERSE MULTIPLEXING OVER ATM DATA SHEET PMC-2001723 Provides a standard 5-pin P1149 JTAG port. 324 ball PBGA, 23mm x 23mm PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 7 ...
Page 25
... INVERSE MULTIPLEXING OVER ATM DATA SHEET PMC-2001723 3 APPLICATIONS Digital Subscriber Line Access Multiplexers (DSLAMs) Access Concentrators Integrated Access Devices (IAD) Wireless Base Transceiver Stations PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 8 ...
Page 26
... AF-PHY-0016.000 “ATM Forum DS1 Physical Layer Specification” AF-PHY-0064.000 “ATM Forum E1 Physical Interface” ATM Forum, UTOPIA, an ATM-PHY Layer Specification, Level 2, V. 1.0, Foster City, CA USA, June 1995. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 9 ...
Page 27
... T1/ suitable DSLAM WAN uplink technology and IMA, due to its PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 UTOPIA L2 / UTOPIA L2 Any-PHY PM7326 S/UNI-APEX PM7324 S/UNI-ATLAS PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Clock/Data PM4354 PM7340 COMET- S/UNI-IMA-8 QUAD ...
Page 28
... Figure 2 -S/UNI-IMA Remote DSLAM WAN Uplink Application. UTOPIA L2 / Any-PHY PM7351 S/UNI-VORTEX PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 UTOPIA L2 PM7326 S/UNI-APEX PM7340 S/UNI-IMA-8 PM7324 S/UNI-ATLAS PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Clock/Data PM4354 COMET- QUAD ...
Page 29
... Internal Bus Rx IMA Protocol IDCC Processor 8-chan Rx IMA Data Processor (RDAT) TC Layer x 2 (RTTC-8) cell FIFO Cell Writer Memory Interface (MEMI) PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM JTAG Any- 8-chan PHY cell UTOPIA FIFO Tx Slave (TXAPS) (RIPP) Any- 8 PHY/ chan ...
Page 30
... DATA SHEET PMC-2001723 7 DESCRIPTION The PM7340 S/UNI-IMA monolithic integrated circuit that implements the Inverse Multiplexing for ATM (IMA 1.1) protocol with backward compatibility to IMA 1.0 and the Transmission Convergence (TC) layer function. IMA is a protocol designed to combine the transport bandwidth of multiple links into a single logical link. The logical link is called a group. The S/UNI-IMA-8 can support independent groups with each group capable of supporting from links ...
Page 31
... S/UNI-IMA-8 will place those ICP cells where a SCCI field change is detected into a buffer that is accessible to the microprocessor. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 14 ...
Page 32
... The S/UNI-IMA-8 is packaged in a 324-pin PBGA package that has a body size of 23mm by 23mm and a ball pitch of 1mm. Figure 4 - S/UNI-IMA Preliminary Pinout (Bottom View) PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 15 ...
Page 33
... W20 The Receive Enable Bar (RENB active low signal used to initiate the transfer of cells from the S/UNI-IMA ATM layer component, such as a traffic management device. The RENB input is sampled on the rising edge of RCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 16 ...
Page 34
... RDAT[15:0] bus. When the RSX signal is active, the coinciding data on the RDAT[15:0] bus represents the in-band PHY address. The RSX output is updated on the rising edge of RCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 17 ...
Page 35
... UTOPIA L2 interface. The RCA, RSOC, RDAT[15:0], and RPRTY outputs are updated on the rising edge of RCLK. The RENB and RADR[4:0] inputs are sampled on the rising edge of RCLK. The RCLK input must cycle MHz or lower instantaneous rate. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 18 ...
Page 36
... The RADR[4:0] input bus is sampled on the rising W22 edge of RCLK. V19 The Receive Start of Cell (RSOC active high signal that marks the first word of the cell on the RDAT[15:0] bus. The RSOC output is updated on the rising edge of RCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 19 ...
Page 37
... The Receive Parity (RPRTY) signal provides the parity (programmable for odd or even parity) of the RDAT[15:0] bus. When the interface is operating in 8-bit mode, the parity is calculated over RDAT[7:0] The RPRTY output is updated on the rising edge of RCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 20 ...
Page 38
... The TPA output is updated on the rising edge of TCLK. L20 The Transmit enable bar (TENB active low signal that is used to indicate cell transfers to the internal cell buffers. The TENB input is sampled on the rising edge of TCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 21 ...
Page 39
... TDAT[15:0] bus. When the TSX signal is active, the coinciding data on the TDAT[15:0] bus represents the in-band PHY address. The TSX output is sampled on the rising edge of RCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 22 ...
Page 40
... TSX signal asserted high. When this interface is operating in 8-bit mode, this signal provides the parity of TDAT[7:0]. A parity error is indicated by a status bit and a maskable interrupt. The TPRTY input signal is sampled on the rising edge of TCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 23 ...
Page 41
... The TENB input is sampled on the rising edge of TCLK. K21 The Transmit Address (TADR[4:0]) signals are K20 used to address logical channels for the purposes of J19 polling and device selection. J22 The TADR[4:0] input bus is sampled on the rising J21 edge of TCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 24 ...
Page 42
... TENB signal asserted low. When this interface is operating in 8-bit mode, this signal provides the parity of TDAT[7:0]. A parity error is indicated by a status bit and a maskable interrupt. The TPRTY input signal is sampled on the rising edge of TCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 25 ...
Page 43
... A[10:1] signals during the address phase of a bus transaction. When ALE is set high, the address latches are transparent. When ALE is set low, the address latches hold the address provided on A[10:1]. The ALE input has an internal pull-up resistor. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 26 ...
Page 44
... Master Interrupt Register was set. When INTB is set low, the interrupt is active and enabled. When INTB is tristate, there is no interrupt pending disabled. INTB is an open drain output and should be pulled high externally with a fast resistor. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 27 ...
Page 45
... The Cell Buffer SDRAM Write Enable Bar (CBWEB active low signal used to control the SDRAM. CBCSB, CBRASB, CBCASB, and CBWEB define the command being sent to the SDRAM. The CBWEB output is updated on the rising edge of SYSCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 28 ...
Page 46
... The CBBS[1:0] outputs are updated on the rising edge of SYSCLK. Y12 The Cell Buffer SDRAM Input/Output Data Mask (CBDQM) signal is held high until the SDRAM initialization is complete and then set low for normal operation. The CBDQM output is updated on the rising edge of SYSCLK. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 29 ...
Page 47
... Cell Buffer SDRAM data AA13 ports. Y13 The CBDQ[15:0] bi-directional signals are sampled W14 and updated/tristated on the rising edge of SYSCLK. AB14 AA14 W15 AA15 Y15 AB16 AA16 Y16 W18 AA17 AB18 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 30 ...
Page 48
... The TSCLK[7:0] input signal is nominally a 50% duty cycle clock of 1.544 MHz for T1 links and 2.048 MHz for E1 links. The TSCLK[7:0] may operate at higher rates in the unchannelized mode. At higher rates, the amount of lines available is limited. See 12.3.1.2 for more details. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 31 ...
Page 49
... ATM cell data. For certain transmission formats, TSDATA[n] may contain place holder bits or time- slots. TSCLK[n] must be externally gapped during the place holder positions in the TSDATA[n] stream. The TSDATA[7:0] output signals are updated on the falling edge of the corresponding TSCLK[7:0] clock PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 32 ...
Page 50
... The RSCLK[7:0] input signal is nominally a 50% duty cycle clock of 1.544 MHz for T1 links and 2.048 MHz for E1 links. The RSCLK[7:0] may operate at higher rates in the unchannelized mode. At higher rates, the amount of lines available is limited See 12.3.1.2 for more details. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 33 ...
Page 51
... The CTSCLK input signal is nominally a 50% duty cycle clock of 1.544 MHz for T1 links and 2.048 MHz for E1 links. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 34 ...
Page 52
... This clock is required and may operate at frequencies MHz. In general, for T1, and E1 rate links, 20 MHz is sufficient. See 12.3.1.3 for details on selecting the proper frequency Connect. These balls are not connected to the N3 P4 die PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 35 ...
Page 53
... AA1 W3 AB1 Y4 AB2 AA4 AB3 AB4 AA5 Y6 Y3 AB5 AA6 W5 W19 AB20 AA19 AB20 AA19 AA20 Y19 AA21 A20 A19 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 36 ...
Page 54
... TRSTB is a Schmitt-triggered input with an integral pull-up resistor. Note that when not being used, TRSTB must be connected to the RSTB input. D7 The Active low Scan Mode (SCAN_MODEB active low signal that places the S/UNI-IMA-8 into a manufacturing test mode. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 37 ...
Page 55
... Pin No. Function E4 The core power pins (VDDI[7:0]) should be U4 connected to a well-decoupled +1 AA11 supply. W17 U20 M21 C14 A7 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 38 ...
Page 56
... K3 K9 K10 K11 K12 K13 K14 L9 L10 L11 L12 L13 L14 L21 M4 M9 M10 M11 M12 M13 M14 M19 N9 N10 N11 N12 N13 N14 P9 P10 P11 P12 P13 P14 T2 V21 V22 W21 Y11 Y14 Y17 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 39 ...
Page 57
... VDD (3.3V) The I/O power pins (VDD) should AB17 D11 be connected to a well-decoupled +3 D16 D4 supply. These pins include the VDDO pins for E1 F20 L1 the switching, as well as the VDDQ for the L19 R21 quiet power pins W16 W4 W8 Y18 Y20 Y5 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 40 ...
Page 58
... TCAEN (only 4 bits are used in UL2 mode) controls the response to polling the individual channels within this group of 31 ports. Setting high on TCAEN[0] enables addresses 0 through 7 and TCAEN[3] enables PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 41 ...
Page 59
... FIFO will only assert TCA when polled not in the process of transferring a cell and if there is room in the FIFO for a complete cell. Unlike Any-PHY, in PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 42 ...
Page 60
... Word 1 (Optional) Word 2 Word 3 Word 4 Word 5 Word 6 Word 28 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Bits 7-0 Address Prepend Optional Prepend H1 H3 HEC/UDF PAYLOAD1 PAYLOAD3 PAYLOAD47 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM H2 H4 PAYLOAD2 PAYLOAD4 PAYLOAD48 43 ...
Page 61
... PHY stored in it’s own FIFO. A 4-bit configuration register, RCAEN, controls the response to polling the PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE HEC PAYLOAD1 PAYLOAD48 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 44 ...
Page 62
... RSOP are driven or become high impedance immediately upon sampling RENB low or PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Any-PHY RDAT[15:0], RPRTY, RSOP and RSX are driven or become high impedance on ...
Page 63
... The cell format for the receive direction is the same as the transmit interface; see Figure 7 and Figure 8 for the formats. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM following the one that samples RENB low or high, respectively ...
Page 64
... Note: HEC/UDF may contain the address prepend for Single Channel UL2 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Bits 7-0 Address Prepend Optional Prepend H1 H3 HEC/UDF PAYLOAD1 PAYLOAD3 PAYLOAD47 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM H2 H4 PAYLOAD2 PAYLOAD4 PAYLOAD48 47 ...
Page 65
... PHY ID, while the upper bits indicate the device address. For UTOPIA multi-PHY mode, the address prepend is not used. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE HEC PAYLOAD1 PAYLOAD48 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 48 ...
Page 66
... PHY Channels: 8 Channel Enable Register: RCAEN(3:0) Channel Address Pins: RADR(4:0) Device Address Pins: RADR(4:0) Status Pin: RCA PHY Channels: 8 Channel Enable Register: RCAEN(3:0) PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Any-PHY PHY Channels: 8 Channel Enable Register: TCAEN(6:0) CFG_ADDR(6:3) Channel Address Pins: TADR(6:0) ...
Page 67
... Channel Address Pins: RADR(4:0) Device Address Pins: RADR(4:0) Select Pin: RENB Cell Size: 8 bit bytes Cell Size: 16 bit words Enable Pin: RENB PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Select Pin: RENB Cell Size: 8 bit bytes Cell Size: 16 bit words ...
Page 68
... IMA Group PHY PHY Physical Link #1 PHY PHY Physical Link #2 PHY PHY IMA Virtual LInk and M set independently for on is the number of active links the size of the IMA on PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Original Cell stream passed to ATM Layer 51 ...
Page 69
... ICP cells, filler cells, and stuff cells as required by the IMA protocol. Additionally, the TIMA can support cell transmission on connections using only the Transmission Convergence (TC) sublayer without the use of the IMA protocol sublayer. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 52 ...
Page 70
... The stuff event may also be advertised in the 4 preceding frames programmable per group whether the ICP cell is advertised starting 1 frame or 4 frames prior to the occurrence of the stuff event. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 53 ...
Page 71
... The TIMA operates at a rate sufficient to ensure the TxIDCC will not suffer request congestion provided the ICP cells are spread throughout the frame PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 54 ...
Page 72
... In TC mode, no other cells are inserted into the data stream by the IMA sub-layer (physical layer idle cells are generated by the physical layer). PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 a group can be configured such that can be dropped to avoid the PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 55 ...
Page 73
... T1 or 226 msec for E1. Buffering is allocated on a per link basis. Each link is allocated 1024 cell buffers. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 56 ...
Page 74
... I.432. The details of the IFSM can be found in AF-PHY- 0086.001 “Inverse Multiplexing for ATM (IMA) Specification Version 1.1”, March 1999. The state Machine is shown in Figure 10. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 57 ...
Page 75
... ICP cells = = = = consecutive errored ICP cells IMA HUNT (cell by cell) One invalid or errored/missing ICP cell One valid ICP cells IMA PRESYNC (frame by frame) PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Starting State Valid ICP at unexpected position (with cell by cell hunting) 58 ...
Page 76
... Figure 12. The internal count is reset to the maximum when the stuff event occurs. A stuff sequence of 111 followed by 000 is not considered an invalid stuff sequence (i.e., PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 59 ...
Page 77
... Time Stuff event ICP Cell ICP Cell IFSN # i+3 IFSN # i+2 LSI = 000 LSI = 001 stuff_cnt =0 stuff_cnt =1 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM M-1 Filler or ATM Layer Cells ICP Cell ICP Cell IFSN # i Errored LSI = 011 stuff_cnt =2 stuff_cnt =3 M-1 Filler or ATM Layer Cells ...
Page 78
... ICP ICP … ICP ICP … ICP ICP … ICP ICP … ICP ICP e Stuff vent M-1 Filler or ATM Layer Cells HEC/CRC Errored or Invalid ICP Cell ICP PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM ICP n ICP ICP ICP ICP ICP ICP ICP 61 ...
Page 79
... Snapshot of DCB Buffers DCB Link 0 Write Pointer Write 13 Pointer Group Read 1 Pointer PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 DCB DCB Link 1 Link 2 11 Write 8 Pointer PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 62 ...
Page 80
... When delay is added to the other links in the group, the playout of PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 DCB DCB Link 1 Link 2 14 Write 10 Pointer PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM DCB Link3 Write Pointer ...
Page 81
... Write 17 Pointer Group Read 1 Pointer PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 DCB DCB Link 1 Link 2 14 Write 10 Pointer PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM DCB Link3 Write Pointer ...
Page 82
... PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 DCB DCB Link 1 Link Write Pointer PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM DCB Link3 Write Pointer ...
Page 83
... LIF Defect state is the initial state for this process, thus all links will initially come up in the LIF condition. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 DCB DCB Link 1 Link 2 Removed from group PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM DCB Link3 Removed from group 66 ...
Page 84
... When a link is in LCD, a LCD-latched status bit is set in link context memory, PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Persistence of non-IMA Sync ( +2) IMA frames Out of IMA Frame (OIF) Anomaly State PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM LIF Defect 67 ...
Page 85
... IMA layer should treat them as user cells. Otherwise, they may have been inserted at the TC layer to assist with rate matching; this is illegal for PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 68 ...
Page 86
... Synchronized Link activation during Group Start-up Procedure and the Link Addition and Slow PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 69 ...
Page 87
... IMA frames and will commence to transmit physical-layer idle cells until the links are reused. For group deletion without any loss of data, the links may be deleted or inhibited to stop traffic on the group or the group may be inhibited prior to deleting the group. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 70 ...
Page 88
... BLOCKED state, the GSM will go to OPERATIONAL state. Start LASR procedure on one or more links. The links involved may either be new links or existing links with a failure/fault/inhibiting condition. If the group configuration is symmetric, links should be added in both the TX and RX direction. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 71 ...
Page 89
... Indicate to S/UNI-IMA-8 that the given link(s) have/have not physical defects (such as LOS/LOF/OOF/AIS) which are not detectable internally. This causes the S/UNI-IMA-8 to start reporting physical layer defects in the RX Defect Indication field in the ICP field for the affected links. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 72 ...
Page 90
... Read and clear the latched event status, and read the link/group status of the specified group and all its links. The result read from the internal context memory is stored in Cmd_data00 through Cmd_data1F. Refer to RIPP Command Data Registers for further details. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 73 ...
Page 91
... The delay information is provided in units of cells. Adjusts the delay of a group by removing the amount of specified delay. While the delay is being adjusted, links cannot be added or recovered for the group. Links obtain IMA frame synchronization, the rx PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 74 ...
Page 92
... When links are deleted from the group, the delay of the remaining links is not adjusted. See 10.2.4.2 for more details on the management of the DCB buffers. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM links that rx 75 ...
Page 93
... S/UNI-IMA-8 will transition to the Start-up-Ack state if the M value, the Group Symmetry, the OAM Label and IMA_ID (optional) values are acceptable. Otherwise, the S/UNI-IMA-8 will transition into the Config-Aborted State. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 76 ...
Page 94
... Blocked and Operational States While in the Blocked and Operational States, the link state machines are monitored to ensure that sufficient links stay active. If insufficient links are PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 77 ...
Page 95
... After the rx links are reported usable, another programmable timeout is started. Once all of the links are reported TX_Usable by the FE or the timeout expires, PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 78 ...
Page 96
... IDCC scheduler with the new rate. This is done by providing a vector that identifies the active LIDs for the group. This vector is used to determine the PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 79 ...
Page 97
... Information fields in the ICP cells when the group is configured in the symmetrical configuration and operation mode differs in the IMA v1.1 implementations and the IMA v1.0 implementations. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 80 ...
Page 98
... ATM layer anyway. The following diagram shows the cell storage map with the 64-byte memory boundary. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 81 ...
Page 99
... The following diagrams illustrate the various configurations supported: PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Bits 0 DCB Status[15:0] DCB Status[31:16] Header1 Header2 Header3 Header4 Reserved STATUS Reserved Payload1 Payload2 Payload45 Payload46 Payload47 Payload48 Reserved CRC-16 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 82 ...
Page 100
... SDRAM: PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 clock source 1 CKE CLK Addr/Ctrl 256 x 16 DQM DQ[15:0] clock source 1 CKE CLK Addr/Ctrl 256 x 16 DQM DQ[15:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 83 ...
Page 101
... A diagnostic loopback capability is provided to loopback data from the receive link FIFOs to the transmit link FIFO; this will loopback all links when enabled. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 84 ...
Page 102
... HCS should be received within the next DELTA cells and the delineation state machine falls back to the HUNT PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 rd bytes may be scrambled PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM ...
Page 103
... Preservation of HEC errored cells is PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 correct HCS (bit by bit) Incorrect HCS (cell by cell) SYNC PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM PRESYNC DELTA consecutive correct HCS's (cell by cell) 86 ...
Page 104
... With knowledge of the transmit link and time-slot identity, the TCAS performs a table look-up to identify which timeslots are in use. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 87 ...
Page 105
... When a channel is in diagnostic loopback, data on the received links originally destined for that channel is ignored. Transmit data of that channel is substituted in its place. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 88 ...
Page 106
... Note: The actual address used on the Any-PHY bus to access a particular channel is a combination of the TX VPHY ID (bits 2:0), which TCAEN bit is set(bits 6:3), and the Tx Any-PHY Address Config Reg(bits 15:7). PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 89 ...
Page 107
... PHY/UTOPIA congestion or (2) that TC group cells were dropped due to FIFO overflow. To determine the cause of the interrupt, the RDAT Master Interrupt register should be read. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 90 ...
Page 108
... Table 5 Register Memory Map Address Register 0x000 – Master Configuration and Interrupts 0x05E 0x000 Global Reset 0x002 Global Configuration 0x004 JTAG ID (MSB) PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 91 ...
Page 109
... SDRAM Diag Indirect Burst Ram Data MSB 0x04A SDRAM DIAG WRITE CMD 1 0x04C SDRAM DIAG WRITE CMD 2 0x04E SDRAM DIAG READ CMD 1 0x050 SDRAM DIAG READ CMD 2 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 92 ...
Page 110
... RCAS Link #0 to Link #7 Configuration 0x14E 0x150 - TCAS Reserved 0x17E 0x180 TCAS Indirect Link and Time-slot Select 0x182 TCAS Indirect Channel Data PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 93 ...
Page 111
... RIPP Rx Link Interrupt Enable Register 0x220- RIPP Command Register 0x22C 0x22E Command Read Data Control Register 0x230 ICP Cell Forwarding Status Register PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 94 ...
Page 112
... TIMA Indirect Memory Data LSB 0x326 TIMA Indirect Memory Data MSB 0x328- TX Link FIFO Overflow Status 0x332 0x32A- Reserved 0x33E 0x340 TXIDCC Indirect Link Access PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 95 ...
Page 113
... RXIDCC Indirect Link Data Register #1 0x354- Reserved 0x364 0x366 DLL Control Status 0x368- Reserved 0x3FF For all register accesses, CSB must be low. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 96 ...
Page 114
... To ensure that the S/UNI-IMA-8 operates as intended, reserved-register bits must only be written with logic zero. Similarly, writing to reserved registers should be avoided. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 97 ...
Page 115
... A hardware reset sets the RESET bit, thus asserting the software reset. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default RESET 1 BIST_DONE X Unused 0 TYPE[2:0] 000 ID[3:0] 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 98 ...
Page 116
... Clock/Data interface 0) Line Side in normal mode 1) Line Side remote loopback mode PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 CHAN_CD 0 MAX_DCB_DEPT 0 H CTSCLK_SEL 0 LINE_EN 0 LINE_LOOP 0 U2U_LOOP 0 LINE_MODE 0 Reserved PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 99 ...
Page 117
... Use bit by bit search for cell delineation. (Safe mode) 1) Use octet search for cell delineation (only should be set if operating with channelized line interface for all links PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 100 ...
Page 118
... The JTAG ID register (JTAGID[15:0]) of the S/UNI-IMA-8 device. The JTAG ID is the same as the one read by the JTAG port. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default JTAGID(31:16) 0x0734 Function Default JTAGID(15:0) 0x00CD PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 101 ...
Page 119
... No interrupt pending from the TIMA block. 1) Interrupt pending from the TIMA block. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 TC_INTR 0 MISC_INT 0 Reserved 0 ICP_CELL_AVL 0 RDAT_INTR 0 TIMA_INTR 0 RIPP_INTR 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 102 ...
Page 120
... TC_INTR_FIFO is empty Interrupts in the TC_INTR FIFO Interrupts are present in the TC_INTR_FIFO. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 103 ...
Page 121
... This bit is cleared on read. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Reserved 0 TC_INTR_FOVR_ER 0 R SDRAM_CRC_ERR 0 TX_UTOP_CELLXFE 0 RR TX_UTOP_PAR_ER 0 R RX_UTOP_XFR_ER 0 R PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 104 ...
Page 122
... This bit is cleared on read. 0) The TC Interrupt FIFO has not overflowed. 1) The TC Interrupt FIOF has overflowed. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 105 ...
Page 123
... No LCDE error occurred on the Link identified by LINK ID. 1) LCDE error occurred on the Link identified by LINK ID. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default FIFO_BUSY 0 FIFO_NOT_EMPTY 0 Unused 0 LINK_ID 0 HCS_ERR 0 LCD_ERR 0 FOVR_ERR 0 OOCD_ERR 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 106 ...
Page 124
... While this bit is set, the other contents of this register are invalid. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 107 ...
Page 125
... Interrupt Register. When an enable-bit is set to a logic 1, the corresponding error event will cause INTB to go active. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Reserved 0 TC_INTR_EN 0 MISC_INTR_EN 0 Reserved 0 ICP_CELL_AVL_EN 0 RDAT_INTR_EN 0 TIMA_INTR_EN 0 RIPP_INTR_EN 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 108 ...
Page 126
... MISC_INT bit to be set in the Master Interrupt Register. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 TC_INTR_FOVR_ER 0 R_EN SDRAM_CRC_ERR_ 0 EN TX_UTOP_CELLXFE 0 RR_EN TX_UTOP_PAR_ERR 0 EN RX_UTOP_XFR_ERR 0 _EN PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 109 ...
Page 127
... TC INTR FIFO. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 HCS_ERR_EN 0 LCD_ERR_EN 0 FOVR_ERR_EN 0 OOCD_ERR_EN 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 110 ...
Page 128
... Any-PHY bus. Disabling all traffic to the Any- PHY/UTOPIA input port is achieved by setting all TCAEN[10:0] bits to logic 0. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 TCAEN[10:0] 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 111 ...
Page 129
... Multi-PHY mode is achieved by setting all RCAEN[3:0] bits to logic 0. This field is ignored when in Any-PHY or Single Port UTOPIA mode. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 RCAEN[3:0] 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 112 ...
Page 130
... Determines the generated parity across data bytes/words sourced by the receive interface. 0) Odd parity. 1) Even parity. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default RA_ENABLE 0 Unused 0 RA_DEVID[4:0] 0 Unused 0 RA_HECUDF 0 RA_PREPEND 0 RA_16_BIT_MOD 0 E RA_EVEN_PAR 0 RA_ANY-PHY_EN 0 RA_UTOP_MOD 0 E PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 113 ...
Page 131
... Enables the Receive Any-PHY/UTOPIA interface. Prior to this bit being set, all outputs are tristated and all inputs are ignored on the Interface. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 114 ...
Page 132
... Any-PHY mode. The prepend is ignored, but the capability is provided to enhance interoperability. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default TA_ENABLE 0 Unused 0 TA_PREPEND 0 TA_16_BIT_MOD 0 E TA_EVEN_PAR 0 TA_ANY-PHY_EN 0 Unused 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 115 ...
Page 133
... Enables the Transmit Any-PHY/UTOPIA interface. Prior to this bit being set, all outputs are tristated and all inputs are ignored on the Interface. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 116 ...
Page 134
... In UTOPIA Mode, this register is not used. To disable UTOPIA transmit ports, the Any-PHY/UTOPIA Transmit Cell-available register is provided. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default CFG_ADDR_MSB 0 Unused 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 117 ...
Page 135
... REF _ RATE (# _ of PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused REF_RATE [10:0] SDRAM_EN Sys _ Clk 50 _ refresh ) 4096 ( time _ period ) PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default MHZ 781 118 ...
Page 136
... Diagnostic access is disabled and the S/UNI-IMA-8 operates normally. 1) Diagnostic access is enabled. The SDRAM may be accessed via indirect access as described in section 11.4 using registers 0x44-0x50. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default Unused 0 DIAG_MODE 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 119 ...
Page 137
... SDRAM Indirect Burst RAM Data register or (2) to determine when a new indirect write operation may commence. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function BR_BUSY Unused BR_ADDR[4:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0 N/A 0 120 ...
Page 138
... Figure 24 shows the format of the cell in the Burst RAM. Figure 24 -Burst RAM Format Word # 31 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function BR_DATA_LSB Function BR_DATA_MSB Bits 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0 Default 0 121 ...
Page 139
... PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Burst Write (0) Burst Write (1) Burst Write(15) Burst Read (0) Burst Read (1) Burst Read(15) PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 122 ...
Page 140
... While the WRBUSY bit is set, no indirect accesses to the write burst ram should be performed. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function WR_BUFFER_ADDR[15:0] Function WRBUSY Unused WR_BUFFER_ADDR[16] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0 Default 0 0 123 ...
Page 141
... RD_BUSY will be set low. This register should be polled to determine when the data is available in the Burst Ram. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function RD_BUFFER ADDR[15:0] Function RDBUSY Unused RD_BUFFER ADDR[16] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0 Default 0 124 ...
Page 142
... The LBUSY is not expected to remain at logic 1 for more than 86 REFCLK cycles. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Default LBUSY 0 LRWB 0 Unused 0 Reserved 0 LINK[4:0] 0 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 125 ...
Page 143
... DHCS reflects the value written until the completion of a subsequent indirect link-read operation. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused DHCS Reserved DSCR PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 126 ...
Page 144
... LRWB triggers an indirect write operation. Data to be written is taken from PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Type Function R LBUSY R/W LRWB R/W DRHCSE Unused R/W Reserved R/W LINK[4:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 127 ...
Page 145
... Indirect Data register or (2) when a new indirect write operation may commence. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 128 ...
Page 146
... When FOVRE is set to logic 1, the interrupt is enabled. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused LCDOOCDPASS HCSPASS UNASSPASS IDLEPASS DDSCR Reserved DDELIN OOCDE HCSE FOVRE LCDE PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 129 ...
Page 147
... HCS error. When HCSPASS is logic 0, cells containing an HCS error are dropped. When HCSPASS is a logic 1, cells are passed to the external cell buffer regardless of errors detected in the HCS. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 130 ...
Page 148
... LCDOOCDPASS is logic 0, cells containing an OOCD error and an LCD error are dropped. When LCDOOCDPASS is a logic 1, cells are passed to the external cell buffer regardless of errors detected in the OOCD and LCD. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 131 ...
Page 149
... LCD Count Threshold PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused OOCDV LCDV OOCDI HCSI FOVRI LCDI PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 132 ...
Page 150
... The cell time period can be varied by using the LCDC[7:0] register bits in the LCD Count Threshold register. OOCDV: The OOCDV bit is high when the logical Link is not currently in the SYNC state. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 133 ...
Page 151
... HCSERR[15:0] retains a value of FFFFH until the next accumulation interval (HCSERR[15:0] is reset). PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function HCSERR[15:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0 134 ...
Page 152
... For unchannelized links, only time-slot 0 is valid. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused LCDC[7:0] Function BUSY RWB Unused LINK[2:0] Unused TSLOT[4:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0x68 Default 135 ...
Page 153
... BUSY will be set low. This register should be polled to determine either: (1) when data from an indirect read operation is available in the Indirect Data register or (2) when a new indirect write operation may commence. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 136 ...
Page 154
... PROV reflects the value written until the completion of a subsequent indirect read operation. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused VLDLBEN PROV Unused VLINK[2:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 137 ...
Page 155
... VLDLBEN reflects the value written until the completion of a subsequent indirect read operation. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 138 ...
Page 156
... FTHRES[6:0], a framing bit/byte has been detected. FTHRES[6:0] should be set as a function of the REFCLK period and the expected gapping width of RSCLK during framing bits/bytes. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused FTHRES[6:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default X 0x3F 139 ...
Page 157
... When set high, the virtual link disable bit (VLDIS) squelches valid data on the output of RCAS for the virtual link indicated by DVLINK[2:0]. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function VLDIS Unused DVLINK[2:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 140 ...
Page 158
... Link data is present at time-slots ignored when CEN is set low. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused Reserved E1 CEN N 7). PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 141 ...
Page 159
... Indirect Link Data register after the BUSY bit has cleared. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Busy RWB Unused LINK[2:0] Unused TSLOT[4:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 142 ...
Page 160
... Indirect Data register or (2) when a new indirect write operation may commence. Any indirect operation that is initiated while BUSY is still high will be corrupted. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 143 ...
Page 161
... Idle Time-slot Fill Data register. PROV reflects the last value read or written until the completion of a subsequent indirect read operation. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused PROV Unused VLINK[2:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 144 ...
Page 162
... FTHRES[6:0], a framing bit/byte has been detected. FTHRES[6:0] should be set as a function of the REFCLK period and the expected gapping width of TSCLK during framing bits/bytes. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused FTHRES[6:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default X 0x1F 145 ...
Page 163
... FDATA[7:0] The fill data bits (FDATA[7:0]) are transmitted during disabled (PROV set low) time-slots or virtual links. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused FDATA[7:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default X 0xFF 146 ...
Page 164
... When CHDIS is low, the virtual link's provisioning state is set by the PROV bit. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function VLDIS Unused DVLINK[2:0] PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 147 ...
Page 165
... TSDATA[N] on the last falling edge of TSCLK[N] ahead of the extended low period. Link data is present at time-slots ignored when CEN is set low. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function Unused Reserved E1 CEN N 7=). PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 148 ...
Page 166
... The RIPP_EN should be set to a ‘1’ for normal operations after the initialization of RIPP context memory. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function RIPP_EN Reserved RIPP_BUSY Reserved PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 149 ...
Page 167
... PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Function MEM_BUSY MEM_RWB MEM_SEL Reserved MEM_ADDR Description Group configuration record area. Reserved TX link configuration record area. Reserved RIPP RX Link Configuration Record area. Reserved PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 150 ...
Page 168
... Indirect Data register or (2) when a new indirect write operation may commence. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Description Group context record area. Reserved TX link context record area. Reserved RX link context record area. Reserved PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 151 ...
Page 169
... IMA_OAM_LABEL IMA OAM label value for the group. This indicates the IMA version for the current group, and is used to compare against the IMA version number carried in octet 6 of the incoming ICP cells. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM Default 0 0 152 ...
Page 170
... Filtering. RIPP will filter out the ICP cells which carry no new information (determined by the SCCI field) before forwarding to PM. IMA_10_ENABLE IMA version 1.0 style link state reporting enable. This field selects how the link state field in the incoming PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 153 ...
Page 171
... Interrupt enabled. FE_ABORT_INT_E FE Abort Interrupt Enable. N ‘0’ Interrupt not enabled ‘1’ Interrupt enabled. NE_ABORT_INT_E NE Abort Interrupt Enable N ‘0’ Interrupt not enabled ‘1’ Interrupt enabled. GTSM_INT_EN GTSM Interrupt Enable PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 154 ...
Page 172
... ITC mode. “1”: CTC mode. This field is used in the outgoing TX ICP cells. Note the actual clock mode used by TIMA may differ from this. After a group is added, this field should not be changed, unless a PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 155 ...
Page 173
... Bit 128 (‘0’: unacceptable, ‘1’: acceptable) Bit (‘0’: unacceptable, ‘1’: acceptable) Bit (‘0’: unacceptable, ‘1’: acceptable) RESERVED RX_DELAY_TOL Receive differential Delay tolerance. This field is the maximum allowed amount of delay to be accumulated for PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 156 ...
Page 174
... RX link. The order of links in the table is determined by PM prior to group start-up, and is not related to the LIDs or physical link numbers. See Table 9 for the detailed bit mapping. Note that this table needs to be configured identical to the TX_PHY_TABLE if the group is PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 157 ...
Page 175
... PRELIMINARY INVERSE MULTIPLEXING OVER ATM DATA SHEET PMC-2001723 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 configured in symmetrical configuration mode PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 158 ...
Page 176
... PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 Description Reserved RX Physical link pointer 2 Reserved RX Physical link pointer 1 Reserved RX Physical link pointer 0 Reserved RX Physical link pointer 31 Reserved RX Physical link pointer 30 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 159 ...
Page 177
... Interrupt not enabled ‘1’ Interrupt enabled Defect interrupt enable. FE_RX_DEFECT_I NT_EN ‘0’ Interrupt not enabled ‘1’ Interrupt enabled. Tx_Timeout interrupt enable. TX_TIMEOUT_INT_ EN ‘0’ Interrupt not enabled ‘1’ Interrupt enabled. RESERVED PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 160 ...
Page 178
... PRELIMINARY INVERSE MULTIPLEXING OVER ATM DATA SHEET PMC-2001723 MEM_ADDR = Area_base_address + physical link number * 0x1+ Word Offset PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE ISSUE 3 PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 161 ...
Page 179
... Interrupt not enabled ‘1’ Interrupt enabled. LCD Interrupt enable LCD_INT_EN ‘0’ Interrupt not enabled ‘1’ Interrupt enabled. LIF Interrupt enable LIF_INT_EN ‘0’ Interrupt not enabled ‘1’ Interrupt enabled. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 162 ...
Page 180
... PM using the delete_group command. ‘0’: not enabled (group in NOT_CONFIGURED state) ‘1’: the group is enabled and currently active. This field will remain at its current value during a group-restart. GSM Group state machine state. “0000”: Start-up PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 163 ...
Page 181
... LASR is in progress. Others: reserved reserved LSM_SYNC_TRAN Indicates whether there has been a S transition on the LSM_SYNC state machine in the last processing cycle for the group. ‘0’: There was no transition. ‘1’: There was a transition. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 164 ...
Page 182
... RESERVED GROUP_TIMER1 Group-level timer 1. Implemented as 4- bit down counter. The counter is loaded with the appropriate timeout value when the timer is enabled, and decrements on every timer tick, until it reaches zero. A timeout event is PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 165 ...
Page 183
... Group is not inhibited. ‘1’: Group is inhibited. This field can be programmed by PM during group record initialization, and can be modified later using inhibit_group/not_inhibit_group commands. Note it is possible to inhibit the group before actually issuing the PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 166 ...
Page 184
... GROUP_TIMING_ERROR has changed state. Startup-Ack Timeout: The FE fails to FE_TIMEOUT_INT transition into the STARTUP-ACK state prior to the NE timing out. GR_TIMEOUT_INT GSM fails to come out of Insufficient- links state during a group start-up procedure before the relevant timer PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 167 ...
Page 185
... This field will remain at its current value during a group-restart. RESERVED TX_TRL_PHY_ID Physical link ID for TX TRL. This field need to be programmed by PM prior to group startup to ensure TX IDCC ticks are generated and TIMA start sending ICP cells once the group is added. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 168 ...
Page 186
... Enabled. RIPP will copy the stored Tx_test_pattern info over to the test pattern field. This field is set and changed using the update_test_ptn PM command. This field will remain at its current value during a group-restart. RESERVED TX_TEST_LID Tx LID of the test link. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 169 ...
Page 187
... LASR. “1”: the link is currently involved in a active LASR procedure. RESERVED RX_FE_INFO_VALI This indicates whether the context data D fields captured from incoming ICP cells) or not. ‘0’: Invalid. ‘1’: Valid. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 170 ...
Page 188
... RX_IMA_ID_CFG field in the configuration memory if the RX_IMA_ID_CFG_EN bit is set, otherwise it is captured from the first incoming ICP cell after the group is added or restarted. RX_PHY_VALID 32 bit vector in which each bit corresponds to one RX physical link in PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 171 ...
Page 189
... ICP cells on the link does not match the TX_test_pattern field in the outgoing ICP cells. “1”: the Rx_test_pattern field in the incoming ICP cells on the link matches the TX_test_pattern field in the outgoing ICP cells. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 172 ...
Page 190
... TRL of the current group has been turned on or not. TRL is identified by the RX_TRL_PHY_ID field, which is translated from the TX_TRL_ LID in the incoming ICP cells, after it is validated by RIPP. ‘0’: Invalid. TRL off. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 173 ...
Page 191
... A transition on this bit is used to determine the ongoing adjust_delay process is finished. DELAY_ADJUST_I Indicates whether the current S_PM adjust_delay process is started by PM. ‘0’: the adjust-delay is started internally by LASR. ‘1’ the adjust-delay is started by PM. RESERVED PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 174 ...
Page 192
... PM to determine the progress of link addition or deletion. This field will remain at its current value during a group-restart. TX_LSM TX Link state machine state. “0000”: DELETED(NOT_IN_GROUP) “0010”: UNUSABLE “1100”: USABLE “1110”: ACTIVE PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 175 ...
Page 193
... PM issuing RECOVER_LINK command. This field is programmed by PM during link record initialization. This field will remain at its current value during a group-restart. TX_LINK_PM_UNU Cause specified by PM for the link to SABLE_CAUSE be unusable. This field is used by RIPP to notify FE. PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 176 ...
Page 194
... Indicates that FE RX LSM transitioned FE_RX_UNUSABLE into/out of UNUSABLE state. _INT This bit is reset immediately after read_event command is executed for the group of which this link is a member. Indicates that the FE RX Defect FE_RX_DEFECT_I PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 177 ...
Page 195
... RESERVED DATA FIELD DESCRIPTION RX_LINK_EN Flag bit indicating if the link is enabled or not. “0”: not enabled, link in UNASSIGNED state. “1: enabled. This field is set by RIPP during add_link or add_group command processing cleared by RIPP upon PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 178 ...
Page 196
... USABLE. “110110”: ACTIVE, waiting for the global synchronization event to report ACTIVE to the FE. “111000: ACTIVE, reporting ACTIVE Others: reserved This field is cleared (UNASSIGNED state during link record initialization. reserved PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 179 ...
Page 197
... Far end TX LSM state for the link. This is copied from the appropriate TX LSM state field in the incoming ICP cells. RX_LINK_PM_UN This field indicates the link has been USABLE considered unusable by PM. This bit is set issuing UNUSABLE_LINK command, and PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 180 ...
Page 198
... LODS_UNDERRU LODS, DCB under-run. Indicates that N the DCB buffer underrun condition. LCD LCD, Loss of Cell Delineation Defect is PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 181 ...
Page 199
... This bit is reset immediately after the read_event command is executed for the group of which this link is a member. LODS_OVERRUN_ LODS, DCB overrun. An overrun INT condition occurred. This bit is reset immediately after read_event command is executed for PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 182 ...
Page 200
... INVALID_ICP _INT Invalid ICP parameters detected on RX link during validation of the ICP cell parameters causing validation to fail. Possible reasons include: Invalid LID (i.e., duplicate). PM7340 S/UNI-IMA-8 INVERSE MULTIPLEXING OVER ATM 183 ...