PEB2256HT datasheet(353/490 Pages) INFINEON

Part #	PEB2256HT

Description	E1/T1/J1 Framer and Line Interface Component for Long and Short Haul Applications

PDF	490 Pages

Scroll/Zoom	100%

Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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353 / 490 page

FALC56 V1.2

PEB 2256

T1/J1 Registers

Data Sheet

353

2002-08-27

SSC(1:0)

Select Sync Conditions

Loss of Frame Alignment (FRS0.LFA or opt. FRS0.LMFA) is declared

if:

00 = 2 out of 4 framing bits

01 = 2 out of 5 framing bits

10 = 2 out of 6 framing bits in F4/12/72 format

10 = 2 out of 6 framing bits per multiframe period in ESF format

11 = 4 consecutive multiframe pattern in ESF format

are incorrect. It depends on the selected multiframe format and

optionally on bit FMR2.SSP which framing bits are observed:

F4:

FT-bits

→ FRS0.LFA

F12, F72:SSP = 0:

FT-bits

→ FRS0.LFA

FS-bits

→ FRS0.LFA and FRS0.LMFA

F12, F72:SSP = 1:

→ FRS0.LFA

→ FRS0.LMFA

ESF: ESF framing bits

→ FRS0.LFA

AUTO

Enable Auto Resynchronization

0 =

The receiver does not re synchronize automatically. Starting a

new synchronization procedure is possible by the bits

FMR0.EXLS or FMR0.FRS.

1 =

Auto-resynchronization is enabled.

FM(1:0)

Select Frame Mode

FM = 0: 12-frame multiframe format (F12, D3/4)

FM = 1: 4-frame multiframe format (F4)

FM = 2: 24-frame multiframe format (ESF)

FM = 3: 72-frame multiframe format (F72, remote switch mode)

PEB2256HT Datasheet(PDF) 353 Page - Infineon Technologies AG

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