PEB2256HT datasheet(228/490 Pages) INFINEON

228 / 490 page

FALC56 V1.2

PEB 2256

E1 Registers

Data Sheet

228

2002-08-27

IBV

Insert bipolar violation

Note:Except for CRC defects, CRC checksum calculation is done

after defect insertion.

Framer Mode Register 0 (Read/Write)

Value after reset: 00

XC(1:0)

Transmit Code

Serial line code for the transmitter, independent of the receiver.

00 = NRZ (optical interface)

01 = CMI (1T2B+HDB3), (optical interface)

10 = AMI (ternary or digital dual-rail interface)

11 = HDB3 Code (ternary or digital dual-rail interface)

After changing XC(1:0), a transmitter software reset is required

(CMDR.XRES = 1).

RC(1:0)

Receive Code

Serial line code for the receiver, independent of the transmitter.

00 = NRZ (optical interface)

01 = CMI (1T2B+HDB3), (optical interface)

10 = AMI (ternary or digital dual-rail interface)

11 = HDB3 Code (ternary or digital dual-rail interface)

After changing RC(1:0), a receiver software reset is required

(CMDR.RRES = 1).

EXZE

Extended HDB3 Error Detection

Selects error detection mode.

0 =

Only double violations are detected.

1 =

Extended code violation detection: 0000 strings are detected

additionally. Incrementing of the code violation counter CVC is

done after receiving four zeros. Errors are indicated by

FRS1.EXZD = 1.

ALM

Alarm Mode

Selects the AIS alarm detection mode.

FMR0

XC1

XC0

RC1

RC0

EXZE

ALM

FRS

SIM

(1C)

PEB2256HT Datasheet(PDF) 228 Page - Infineon Technologies AG

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