MSM7708-02 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM7708-02

Serial Register Interface ADPCM CODEC for Telephone Recording

Oki Electric Industry 

¡ Semiconductor

PIN DESCRIPTIONS (Continued)

Pin Symbol Type

Description

41 PCMRO O Receive side PCM signal output

42

NC

— No connection

43

IR

I

Receive side ADPCM signal input

44

IS

O Transmit side ADPCM signal output

45

NC

— No connection

46

PCMSI

I

Transmit side PCM signal input

47

PCMSO

O

Transmit side PCM signal output

48

NC

— No connection

49

DG

I

Digital ground

50

NC

— No connection

51

XSYNC

I

Transmit side PCM and ADPCM data sync signal input

52

RSYNC

I

Receive side PCM and ADPCM data sync signal input

53

BCLK

I

PCM and ADPCM data shift clock input

54

NC

— No connection

55

CS2

O Voice ROM chip select output

56

CS1

O Serial register chip select output

57

RWCK

O Serial register data clock output

58

TAS

O Serial register transfer address-strobe output

59

SAS

O Serial register address-strobe output

60

SAD

O Serial register address data output

61

NC

— No connection

62

WE

O Serial register write enable output

63

DIO

I/O Serial register data input/output

64

NC

— No connection

MSM7708-02

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