MSM7708-02 Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM7708-02

Serial Register Interface ADPCM CODEC for Telephone Recording

Oki Electric Industry 

¡ Semiconductor

PIN DESCRIPTIONS

Pin Symbol Type

Description

1

AG

I

Analog ground

2

NC

— No connection

3

SAO

O Receive side sounder amplifier output

4

NC

— No connection

5

NC

— No connection

6

VFRO

O Receive side voice output

7

PWI

I

Receive side voice amplifier input

8

AOUT–

O Receive side voice amplifier output (–)

9

AOUT+

O Receive side voice amplifier output (+)

10

SGR

O Receive side analog signal ground

11

NC

— No connection

12

SGT

O Transmit side analog signal ground

13

AIN1–

I

Transmit side amplifier 1 inverting input

14

GSX1

O Transmit side amplifier 1 output

15

AIN1+

I

Transmit side amplifier 1 non-inverting input

16

NC

— No connection

17

NC

— No connection

18

GSX2

O Transmit side amplifier 2 output

19

AIN2

I

Transmit side amplifier 2 inverting input

20

VDD

I

Power supply

21

NC

— No connection

22

MLV2

I

Receive side voice path mute level set

23

MLV1

I

Receive side voice path mute level set

24

MLV0

I

Receive side voice path mute level set

25

MUTE

I

Receive side voice path mute enable signal input

26

NC

— No connection

27

VOXI

I

Receive side voice/silence detect function input

28

VOXO

O Transmit side voice/silence detect function output

29

NC

— No connection

30

DEN

I

Enable signal input for control register

31

EXCK

I

Clock signal input for control register

32

NC

— No connection

33

NC

— No connection

34

DIN

I

Address and data input for control

35

DOUT

O Data output for control register

36

RESET

I

RESET control input for control register

37

PDN

I

Power down control input

38

MCK

I

Master clock input

39

NC

— No connection

40

PCMRI

I

Receive side PCM signal input

MSM7708-02

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