peb2256 Infineon Technologies Corporation, peb2256 Datasheet - Page 386

• Manufacturer Part Number: peb2256
• Description: E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

Port Configuration 5 (Read/Write)
Value after reset: 00
PC5
CCLK2
CCLK1
CXMFS
Data Sheet
7
0011 = TCLK: Transmit Clock (Input)
0100 = XMFB: Transmit Multiframe Begin (Output)
0101 = XSIGM: Transmit Signaling Marker (Output)
0110 = DLX: Data Link Bit Transmit (Output)
0111 = XCLK: Transmit Line Clock (Output)
1000 = XLT: Transmit Line Tristate (Input)
Configure CLK2 Port
0 =
1 =
Configure CLK1 Port
0 =
1 =
Configure XMFS Port
0 =
1 =
H
CLK2 is input
CLK2 is output (only if DCO-X is active)
CLK1 is input
CLK1 is output (only if DCO-R is active)
Port XMFS is active low.
Port XMFS is active high.
A 1.544/6.176MHz clock has to be sourced by the system if
the internal generated transmit clock (DCO-X) is not used.
Optionally this input is used as a synchronization clock for the
DCO-X circuitry with a frequency of 1.544 or 6.176 MHz.
Marks the beginning of every transmit multiframe.
Marks the time slots which are defined by register TTR(4:1) of
every frame on port XDI.
Marks the S
Frequency: 1.544MHz
With a high level on this port the transmit lines XL1/2 or
XDOP/N are set directly into tristate. This pin function is
logically ored with register XPM2.XLT.
CCLK2
CCLK1
a
-bits within the data stream on XDI.
386
CXMFS
0
CSRP
T1/J1 Registers
FALC56 V1.2
CRP
0
PEB 2256
2002-08-27
(84)