SAA7740 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

SAA7740

Digital Audio Processing IC (DAPIC)

Philips Electronics 

Philips Semiconductors

Digital Audio Processing IC (DAPIC)

BLOCK DIAGRAM

Product specification

SAA7740H

handbook, full pagewidth

VDDX VSSX

CLKO TSTCLK TST1 TST2 TST3

CLK1/XTAL1

XTAL2

SCCLK

DIWS

DI1D

DI2D

DIBCK

RST

ALL

60

61

56

59

XTAL

OSCILLATOR

62

63

45

47

48

49

CLOCK

COUNTER

9, 13, 25, 40,

46, 50, 55

7

7, 8, 26, 32,

38, 53, 54

7

43

41

42 I2S-BUS

INPUT

44

1

64

PROGRAM

COUNTER

INPUT

BUFFER

DIGITAL SIGNAL

PROCESSING CORE

2nd-ORDER FILTER

MAC

OFFSET FILTER

REGISTERS

16

PROGRAMMABLE 7

ROM

16

COEFFICIENT

RAM

SAA7740H

16

I2C-BUS

INTERFACE

51

52

AS1

AS2

OUTPUT

BUFFER

36

34

I2S-BUS 35

OUTPUT

37

4

19

10

17

18

14

31 to 27/24 to 21

ADDRESS

CONTROL

UNIT

11, 12, 15, 16

20

33

2

3

MLC173

VSS

VDD

DOWS

DO1D

DO2D

DOBCK

MUTE

RAS

CAS

CAS2

WE

OE

A0 to A8

D0 to D3

A8B

MUX

SCL

SDA

Fig.1 Block diagram.

1997 May 30

3

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