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MGT457

FM_RDS

79

LEVEL-

ADC

RDS

DEMODULATOR

DIGITAL

SOURCE

SELECTORS

DIGITAL

I/O

DIGITAL

SOURCE

SELECTOR

XTAL

OSCILLATOR

MONO

ADC3

STEREO

ADC2

STEREO

ADC1

SPDIF

A

ANALOG

SOURCE

SELECTOR

SEL_FR

61

FM_MPX

80

TAPE_R

68

25

24

28

TAPE_L

69

CD_R_GND

14

STEREO

CMRR

INPUTS

VREFAD

78

VDACN1

2

VDACP

1

CD_(L)_GND

77

CD_R

70

CD_L

72

NAV_GND

4

MONO

CMRR

INPUTS

LEVEL

3

SIGNAL

LEVEL

DSP1

DSP2

QUAD

FSDAC

16

FLV

13

FRV

9

RLV

6

RRV

5

POM

10

VSSA2

11

VDDA2

20

LOOPO

B

27

29

56

42

43 44 45

74

76 75

46

36

22

49

50

53

54

47

37

23

48

51

52

55

41

40

39

38 19

18

15

17

26

62 65

21

58

64

63

59

60

57

SIGNAL

QUALITY

PHONE

VOLUME

PHONE_GND

73

PHONE

71

AUX_R

8

AUX_L

7

AM_R/AM

66

AM_L/NAV

67

IAC

SAA7706H

STEREO

DECODER

+

+

12

VREFDA

34

IIS_OUT1

35

IIS_OUT2

30

IIS_CLK

33

IIS_WS

31

IIS_IN1

32

IIS_IN2

Fig.1 Block diagram.