YSS901

3

g Pin Description

No.

Pin name

I/O

Function

5

DVDD

-

Digital signal power supply : +5 V

6

CTLSEL

I

Selection of control method

7

SYNCN

I

Digital input/output synchronization signal

8

BCLK

I

Digital input/output bit clock

9

CSN

I

Serial control interface chip select signal

10

DOUT

O

Digital signal output

11

DIN

I

Digital signal input

12

DSEL2

I

Analog/digital input selection

13

DSEL1

I

Digital input/output format selection

14

DSEL0

I

Digital input/output format selection

15

DVDD

-

Digital signal power supply : +5 V

21

TST2

-

Test (To be open.)

22

DVSS

-

Digital signal ground

23

AVSS

-

Analog signal ground

24

AIRRET

AO

Right channel analog signal input return

25

AIROUT

AO

Right channel analog signal input out

26

AIR

AI

Right channel analog signal input

27

AILRET

AO

Left channel analog signal input return

28

AILOUT

AO

Left channel analog signal input out

29

AIL

AI

Left channel analog signal input

30

VREF

AI

Analog signal VREF

31

AVDD

-

Analog signal power supply : +5 V

37

LOUT

AO

Left channel analog signal output

38

ROUT

AO

Right channel analog signal output

39

PLLC

AI

PLL auxiliary input

40

AVSS

-

Analog signal ground

41

EXTAL

I

Crystal clock input

42

XTAL

O

Crystal clock output

43

DVSS

-

Digital signal ground

44

TSTCK

-

Test (Connect with DVSS.)

45

TST1

-

Test (To be open.)

46

TSTNI

I

Test (Connect with DVSS.)

47

TSTNO

O

Test (To be open.)

53

DVDD

-

Digital signal power supply: +5 V

54

TSTSEL

-

Test (Connect with DVSS.)

55

CSEL2

I

Coefficient selection (Enabled when CTLSEL = 0)

56

CSEL1

I

Coefficient selection (Enabled when CTLSEL = 0)

57

CSEL0

I

Coefficient selection (Enabled when CTLSEL = 0)

58

RESETN

I

Reset signal input

59

BSFT1

I

Bit shift selection (Enabled when CTLSEL = 0)

60

BSFT0

I

Bit shift selection (Enabled when CTLSEL = 0)

61

SCK

I

Serial control interface clock input

62

SI

I

Serial control interface data input

63

DVSS

-

Digital signal ground

Notes:

1. Pins of No. 1 to 4, 16 to 20, 32 to 36, 48 to 52 and 64 are to be open.

2.

I: input pin

O: output pin

AI: analog signal input pin

AO: analog output pin.