MSM7502 datasheet(2/35 Pages) OKI

Part #	MSM7502

Description	Multi-Function PCM CODEC

PDF	35 Pages

Scroll/Zoom	100%

Manufacturer	OKI [OKI electronic componets]

Direct Link	http://www.oki.com

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2 / 35 page

¡ Semiconductor

MSM7502

2/35

BLOCK DIAGRAM

–

TPAI

CAO

TPAO

20 dB

VOL 9

VOL 8

MPAI

MPAO

MPBO

TPBI

MPBI

MLDYI

SW 1

SW 2

SW 12

SW 7

SW 16

0 dB

AIN

AOUT

VOL 10

VOL 1

PLL

PB GEN.

R-TONE GEN.

F-TONE GEN.

S-TONE GEN.

WAMBLE TONE

1 kHz

Latch

VLCD GEN.

KEY INTF

SCANNING OUTPUT

SCANNING INPUT

1000 Hz

800 Hz

400 Hz

400

425

440

450

400*16

400*20

VOL 2

–8.7 dB

0 dB

VOL 7

SW 5

SW 10

VOL 6

VOL 5

–22 dB

VOL 11

VOL 12

VOL 13

SW 21

SW 15

SW 11

SW 20

SW 19

SG GEN.

SGT

SGC

PO0 to PO7

PI0 to PI7

0 dB

–3 dB

–6.8 dB

SW 6

SW 8

SW 18

SW 3

SW 4

SW 17

SW 14

SW 13

SW 9

0 dB

m/A

CODEC

5.7 dB

VOL 3

VOL 4

CAI

R1I

R2I

RPO

RMI

RMO0

RMO1

SPI

SPO

SA0

SA1

PCMOUT

PCMIN

BCLOCK

XSYNC

RSYNC

WRN

RDN

CEN

RESETN

D0 to D7

AD0

AD1

INTT

TIMEN

LML

VLCD

–

MSM7502 Datasheet(PDF) 2 Page - OKI electronic componets

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