PM7344 datasheet(168/293 Pages) PMC

168 / 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

152

Registers 044H, 144H, 244H and 344H: E1-TRAN Configuration

Bit

Type

Function

Default

Bit 7

R/W

AMI

Bit 6

R/W

SIGEN

Bit 5

R/W

DLEN

Bit 4

R/W

GENCRC

Bit 3

R/W

FDIS

Bit 2

R/W

FEBEDIS

Bit 1

R/W

Reserved

Bit 0

R/W

Reserved

These registers configure the TRAN block when E1 format is enabled

Reserved:

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

AMI:

The AMI bit enables AMI line coding when set to logic 1; when it is set to logic

0, the HDB3 line coding is enabled.

SIGEN, DLEN:

The SIGEN and DLEN bits select the signalling data source for Time Slot 16

(TS16) as follows:

SIGEN

DLEN

MODE

TS16 insertion disabled. TS16 is set to all ones.

TS16 insertion enabled. TS16 data is taken directly

from the TDLSIG input or from the HDLC transmitter.

Reserved.

TS16 insertion disabled. TS16 is set to all ones.

When channel associated signalling (CAS) is enabled, the format of the input

BTSIG stream is selected by the DLEN bit. A logic 1 in the DLEN bit position

selects the PMC compatible format in which the BTSIG stream contains the

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