PM7344 datasheet(162/293 Pages) PMC

162 / 293 page

PM7344 S/UNI-MPH

DATA SHEET

PMC-950449

ISSUE 6

MULTI-PHY USER NETWORK INTERFACE

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

146

Registers 040H, 140H, 240H and 340H: T1-TRAN Configuration

Bit

Type

Function

Default

Bit 7

R/W

Reserved

Bit 6

R/W

Reserved

Bit 5

R/W

B8ZS

Bit 4

R/W

ESF

Bit 3

R/W

FMS1

Bit 2

R/W

FMS0

Bit 1

R/W

Reserved

Bit 0

R/W

Reserved

Reserved:

The reserved bit must be programmed to logic 0 for correct operation.

B8ZS:

The B8ZS bit enables B8ZS line coding. When B8ZS is a logic 1, the

transmit T1 stream is B8ZS encoded. When B8ZS is a logic 0, the transmit

T1 stream is AMI encoded.

ZCS1

ZCS0

Zero Code Suppression Format

None

GTE Zero Code Suppression (Bit 8 of an all zero

channel byte is replaced by a one, except in signalling

frames where bit 7 is forced to a one.)

DDS Zero Code Suppression (All zero data byte

replaced with "10011000")

Bell Zero Code Suppression (Bit 7 of an all zero channel

byte is replaced by a one.)

PM7344 Datasheet(PDF) 162 Page - PMC-Sierra, Inc

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