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T8532-JL-TR

Multichannel Programmable Codec Chip Set

Agere -> LSI Corporation 

T8531/T8532 Multichannel Programmable

Codec Chip Set

General Description (continued)

T8531 Description (continued)

Preliminary Data Sheet

November 2000

8 kHz

PCMRX

µ/A-LAW

TO

LINEAR

RECV

FILTER

REL

RDG

ABS

RDG

INTER-

POLATOR

∑

DIGITAL

∑-∆

1.024 MHz

BALANCE

FILTER

8 kHz

PCMTX

LINEAR

TO

µ/A-LAW

XMT FILTER

REL

TDG

∑

ABS

TDG

Figure 5. T8531 Digital ac Path

CTZ

FILTER

DECIMATOR

÷ 64

1.024 MHz

0498 (F)

T8532

CODEC 0

OSFS

OSCK

OSDR0

OSDR1

OSDX0

OSDX1

CCS0

CDI

CDO

T8532

CDI

CDO

OSFS

OSCK

CODEC 1

CCS1

OSDR2

OSDR3

OSDX2

OSDX3

OCTAL

INTERFACE

8 kHz SYNC

OSFS

4 MHz CLOCK

OSCK

4 CH RX DATA

OSDR0

4 CH RX DATA

OSDR1

4 CH TX DATA

4 CH TX DATA

OSDX0

OSDX1

CHIP SELECT

CCS0

CONTROL REGISTER CDO

CONTROL REGISTER CDI

T8531

UPCK

UPCS

UPDI

UPDO

CONTROL

INTERFACE

CLOCK

CHIP SELECT

CONTROL REGISTER IN

CONTROL REGISTER OUT

MICRO-

PROCESSOR

DSP

SCK

SFS

SDR

SDX

STSXB

CLOCK

FRAME SYNC

DATA RECEIVE

DATA TRANSMIT

BACKPLANE

DRIVER ENABLE

PCM

BUS

CHIP SELECT

4 CH RX DATA

4 CH RX DATA

4 CH TX DATA

4 CH TX DATA

CCS1

OSDR2

OSDR3

OSDX2

OSDX3

PCM

INTERFACE

Figure 6. Control, PCM, and Octal Interfaces

5-4229.d (F)

6

Lucent Technologies Inc.

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