pef22504 Infineon Technologies Corporation, pef22504 Datasheet - Page 130

• Manufacturer Part Number: pef22504
• Description: Quad E1/t1/j1 Line Interface Component For Long- And Short-haul Applications Pef 22504 E, Pef 22504 Ht, Version 2.1
• Manufacturer: Infineon Technologies Corporation

Mode Register 5
MR5
Framer Mode Register 5
Field
XLD_TT0
XLU
XTM
Data Sheet
Bits
5
4
2
Type
rw
rw
rw
Description
XLD, Transmit Line Loop-Back (LLB) Down Code, T1/J1 only
The equivalent bit in E1 mode is MR3.XLD.
0
1
TT0, Transmit Transparent Mode, E1 only
For proper operation this bit must be set to ´1´ in E1 mode.
Transmit LLB Up Code, T1/J1 only
This bit is not valid in E1 mode. The equivalent bit in E1 mode is
MR3.XLU.
0
1
Transmit Transparent Mode
For proper operation this bit must be set to ´1´.
B
B
B
B
transmit data with the LLB down (deactivate) Code continuously
until this bit is reset. The LLB down code is overwritten by the
framing/DL/CRC bits optionally.
transmit data with the LLB up (activate) code continuously until this
bit is reset. The LLB up code is optionally overwritten by the
framing/DL/CRC bits. For proper operation bit MR5.XLD must be
cleared.
Normal operation.
A one in this bit position causes the transmitter to replace normal
Normal operation.
A one in this bit position causes the transmitter to replace normal
Offset
xx21
130
H
Register DescriptionMode Register 5
Rev. 1.3, 2006-01-25
QuadLIU
PEF 22504
Reset Value
00
TM
H