PM7344 datasheet(171/293 Pages) PMC

171 / 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

155

Registers 045H, 145H, 245H and 345H: E1-TRAN Transmit Alarm/Diagnostic

Control

Bit

Type

Function

Default

Bit 7

R/W

Reserved

Bit 6

R/W

FPATINV

Bit 5

R/W

SPLRINV

Bit 4

R/W

Reserved

Bit 3

R/W

REMAIS

Bit 2

R/W

Reserved

Bit 1

R/W

Reserved

Bit 0

R/W

AIS

Reserved:

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

FPATINV:

The FPATINV bit is a diagnostic control bit. When set to logic 1, FPATINV

forces the frame alignment signal (FAS) written into TS0 to be inverted (i.e.,

the correct FAS, 0011011, is substituted with 1100100). When set to logic 0,

the FAS is unchanged.

SPLRINV:

The SPLRINV bit is a diagnostic control bit. When set to logic 1, SPLRINV

forces the "spoiler bit" written into bit 2 of TS0 of NFAS frames to be inverted

(i.e., the spoiler bit is forced to 0); when set to logic 0, the spoiler bit is

unchanged.

REMAIS:

The REMAIS bit controls the transmission of the remote alarm indication

signal. A logic 1 in the REMAIS bit position causes bit 3 of NFAS frames to

be forced to logic 1; otherwise, bit 3 of NFAS frames is determined by the

settings in the Transmit Configuration Register.

AIS:

The AIS bit enables the TRAN to generate an unframed all-ones AIS alarm.

When AIS is set to logic 1, the TDP/TDN[x] outputs are forced to pulse

PM7344 Datasheet(PDF) 171 Page - PMC-Sierra, Inc

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