PEB2256HT datasheet(238/490 Pages) INFINEON

238 / 490 page

FALC56 V1.2

PEB 2256

E1 Registers

Data Sheet

238

2002-08-27

Receive Control 0 (Read/Write)

Value after reset: 00

SWD

Service Word Condition Disable

0 =

Standard operation. Three or four consecutive incorrect service

words

(depending

bit

RC0.ASY4)

causes

loss

synchronization.

1 =

Errors in service words have no influence when in synchronous

state. However, they are used for the resynchronization

procedure.

ASY4

Select Loss of Sync Condition

0 =

Standard operation. Three consecutive incorrect FAS words or

three consecutive incorrect service words causes loss of

synchronization.

1 =

Four consecutive incorrect FAS words or four consecutive

incorrect service words causes loss of synchronization. The

service word condition is disabled by bit RC0.SWD.

CRCI

Automatic CRC4 Bit Inversion

If set, all CRC bits of one outgoing submultiframe are inverted in case

a CRC error is flagged for the previous received submultiframe. This

function is logically ored with RC0.XCRCI.

XCRCI

Transmit CRC4 Bit Inversion

If set, the CRC bits in the outgoing data stream are inverted before

transmission. This function is logically ored with RC0.CRCI.

RDIS

Receive Data Input Sense

Digital interface, dual-rail:

0 =

Inputs RDIP/RDIN are active low

1 =

Inputs RDIP/RDIN are active high

Digital Interface, CMI:

0 =

Input ROID is active high

1 =

Input ROID is active low

RC0

SWD

ASY4

CRCI

XCRCI

RDIS

RCO10

RCO9

RCO8

(24)

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