DS26518GNB1+ Maxim Integrated Products, DS26518GNB1+ Datasheet - Page 145
DS26518GNB1+
Manufacturer Part Number
DS26518GNB1+
Description
IC TXRX T1/E1/J1 8PRT 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.DS26518GNB1.pdf
(312 pages)
Specifications of DS26518GNB1+
Number Of Drivers/receivers
8/8
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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10.4
10.4.1 Receive Register Descriptions
See
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 7: Receive CRC-16 Display (RCRCD)
Bit 6: Receive HDLC-64 Reset (RHR). Will reset the receive HDLC-64 controller and flush the receive FIFO. Note
that this bit is a acknowledged reset. The host should set this bit and the DS26518 will clear it once the reset
operation is complete. The DS26518 will complete the HDLC-64 reset within 2 frames.
Bit 5: Receive HDLC-64 Mapping Select (RHMS)
Bits 4 to 0: Receive HDLC-64 Channel Select 4 to 0 (RHCS[4:0]). These bits determine which DS0 is mapped to
the HDLC-64 controller when enabled with RHMS = 0. RHCS[4:0] = all 0s selects channel 1, RHCS[4:0] = all 1s
selects channel 32 (E1). A change to the receive HDLC-64 channel select is acknowledged only after a receive
HDLC-64 reset (RHR).
Table 10-3
Framer Register Descriptions
0 = Do not write received CRC-16 code to FIFO (default).
1 = Write received CRC-16 code to FIFO after last octet of packet.
0 = Normal operation.
1 = Reset receive HDLC-64 controller and flush the receive FIFO.
0 = Receive HDLC-64 assigned to channels.
1 = Receive HDLC-64 assigned to FDL (T1 mode), Sa bits (E1 mode).
RCRCD
7
0
for the complete framer register list.
RHC
Receive HDLC-64 Control Register
010h + (200h x (n - 1)) : where n = 1 to 8
RHR
6
0
RHMS
5
0
RHCS4
145 of 312
0
4
RHCS3
3
0
RHCS2
2
0
RHCS1
1
0
RHCS0
0
0
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