WM8772(2005) 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8772
(Rev.:2005)

24-bit, 192kHz 6-Channel Codec with Volume Control

Wolfson Microelectronics plc 

WM8772

Production Data

PIN DESCRIPTION – 32 LEAD TQFP

PIN

NAME

TYPE

DESCRIPTION

1

ADCLRC

Digital Input/Output ADC left/right word clock

2

DACLRC

Digital Input/Output DAC left/right word clock

3

DVDD

Supply

Digital positive supply

4

DGND

Supply

Digital negative supply

5

DIN1

Digital Input

DAC channel 1 data input

6

DIN2

Digital Input

DAC channel 2 data input

7

DIN3

Digital Input

DAC channel 3 data input

8

DOUT

Digital Output

ADC data output

9

ML/I2S

Digital Input

Software Mode: Serial interface Latch signal

Hardware Mode: Input Audio Data Format

10

MC/IWL

Digital Input

Software Mode: Serial control interface clock

Hardware Mode: Audio data input word length

11

MD/DM

Digital Input

Software Mode: Serial interface data

Hardware Mode: De-emphasis selection

12

MUTE

Digital Input/Output DAC Zero Flag output or DAC Mute Input

13

REFADC

Analogue Output ADC reference buffer decoupling pin; 10uF external decoupling

14

ADCVREFN

Supply

ADC negative supply

15

DACVREFN

Supply

DAC negative supply

16

DACVREFP

Supply

DAC positive reference supply

17

VMID

Analogue Output Midrail divider decoupling pin; 10uF external decoupling

18

AINR

Analogue Input ADC right input

19

AINL

Analogue Input ADC left input

20

VOUT1L

Analogue Output DAC channel 1 left output

21

VOUT1R

Analogue Output DAC channel 1 right output

22

VOUT2L

Analogue Output DAC channel 2 left output

23

VOUT2R

Analogue Output DAC channel 2 right output

24

VOUT3L

Analogue Output DAC channel 3 left output

25

VOUT3R

Analogue Output DAC channel 3 right output

26

AGND

Supply

Analogue negative supply and substrate connection

27

AVDD

Supply

Analogue positive supply

28

MODE

Digital Input

Control format selection

0 = Software control

1 = Hardware control

29

ADCMCLK

Digital Input

Master ADC clock; 256, 384, 512 or 768fs (fs = word clock frequency)

30

DACMCLK

Digital Input

Master DAC clock; 256, 384, 512 or 768fs (fs = word clock frequency)

31

ADCBCLK Digital Input/Output ADC audio interface bit clock

32

DACBCLK Digital Input/Output DAC audio interface bit clock

Note: Digital input pins have Schmitt trigger input buffers.

w

PD Rev 4.2 October 2005

8

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