PM7375-SC datasheet(185/430 Pages) PMC

185 / 430 page

PM7375 LASAR-155

DATA SHEET

PMC-931127

ISSUE 6

LOCAL ATM SAR & PHYSICAL LAYER

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

169

10.1.69

Bit

Type

Function

Default

Bit 15

Unused

Bit 14

Unused

Bit 13

Unused

Bit 12

Unused

Bit 11

Unused

Bit 10

Unused

Bit 9

Unused

Bit 8

Unused

Bit 7

R/W

TGFCE[3]

Bit 6

R/W

TGFCE[2]

Bit 5

R/W

TGFCE[1]

Bit 4

R/W

TGFCE[0]

Bit 3

R/W

FSEN

Bit 2

R/W

H4INSB

Bit 1

R/W

FIXBYTE[1]

Bit 0

R/W

FIXBYTE[0]

FIXBYTE[1:0]:

The FIXBYTE[1:0] bits identify the byte pattern inserted into fixed byte columns

of the synchronous payload envelope.

FIXBYTE[1] FIXBYTE[0]

BYTE

00H

55H

AAH

FFH

H4INSB:

The active low H4 insert enable, H4INSB bit determines the contents of the H4

byte in the outgoing SPE. If H4INSB is set to logic one, the H4 byte is set to the

value of 00 hexadecimal. If H4INSB is set to logic zero, the H4 byte is set to the

cell indicator offset value.

FSEN:

The active high fix stuff control enable, FSEN bit determines the payload

mapping of ATM cells for STS-1 mapping. When FSEN is set to logic one, the

PM7375-SC Datasheet(PDF) 185 Page - PMC-Sierra, Inc

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