NW-A805/A806/A808/NWZ-A815/A816/A818

IC Pin Function Description

MAIN BOARD IC302 CS42L51-CNZR (A/D CONVERTER, D/A CONVERTER)

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

1

LRCK

I/O

L/R sampling clock signal input/output with the system controller

 

 

 

 

2

SDA/CDIN

I/O

I2C mode : Serial date input/output with the system controller

SPI mode : Serial date input from the system controller

 

 

 

 

 

 

 

3

SCL/CCLK

I

Serial data transfer clock signal input from the system controller

4

AD0/nCS

I

I2C mode : Address signal input from the system controller

SPI mode : Chip select signal input from the system controller

 

 

 

 

 

 

 

 

5

VA_HP

-

Power supply terminal (+1.8V)

 

6

FLYP

I

Connected to the external charge pump capacitor (positive node)

 

 

 

 

 

7

GND_HP

-

Ground terminal

 

 

 

 

 

8

FLYN

I

Connected to the external charge pump capacitor (negative node)

 

 

 

 

9

VSS_HP

-

Connected to the capacitor for the internal analog headphone section

10

AOUTB

O

R-ch analog audio signal output to the headphone and WM-port

11

AOUTA

O

L-ch analog audio signal output to the headphone and WM-port

12

VA

-

Power supply terminal (+1.8V)

 

 

 

 

 

 

13

AGND

-

Ground terminal

 

 

 

 

 

 

14

DAC_FILT+

-

Not used

 

 

 

 

 

 

15

VQ

-

Not used

 

 

 

 

 

 

16

ADC_FILT+

-

Not used

 

17

MICIN1/AIN3A

I

Analog audio signal input terminal

Not used

18

MICIN2/AIN3B/

I

Analog audio signal input terminal

Not used

BIAS

 

 

 

 

 

 

 

 

 

19

AIN2A

I

Analog audio signal input terminal

Not used

 

 

 

 

 

20

AIN2B/BIAS

I

Analog audio signal input terminal

Not used

 

 

 

 

 

21

AFILTA

-

Not used

 

 

 

 

 

 

22

AFILTB

-

Not used

 

23

AIN1A

I

L-ch analog audio signal input from the WM-port

24

AIN1B

I

R-ch analog audio signal input from the WM-port

25

nRESET

I

Reset signal input from the system controller

 

 

 

 

 

26

VL

-

Power supply terminal

 

 

 

 

 

 

27

VD

-

Power supply terminal (+1.8V)

 

 

 

 

 

 

28

DGND

-

Ground terminal

 

29

SDOUT

O

Serial audio date output to the system controller

30

MCLK

I

Master clock signal input from the system controller

31

SCLK

O

Serial clock signal output to the system controller

 

 

 

 

32

SDIN

I

Serial audio date input from the system controller

 

 

 

 

 

33

AGND

-

Ground terminal

 

 

 

 

 

 

30

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Sony NW-A808, NW-A806 service manual IC Pin Function Description, Pin No Pin Name Description