WM8772SEDS/RV Просмотр технического описания (PDF) - Cirrus Logic

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производитель

WM8772SEDS/RV

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

Cirrus Logic 

Production Data

WM8772

PIN DESCRIPTION – 28 LEAD SSOP

PIN

NAME

TYPE

DESCRIPTION

1

MODE

Digital input

Control format selection

0 = Software control

1 = Hardware control

2

MCLK

Digital input

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

(combined ADCMCLK and DACMCLK)

3

BCLK

Digital input/output Audio interface bit clock (combined ADCBCLK and DACBCLK)

4

LRC

Digital input/output Audio left/right word clock (combined ADCLRC and DACLRC)

5

DVDD

Supply

Digital positive supply

6

DGND

Supply

Digital negative supply

7

DIN1

Digital input

DAC channel 1 data input

8

DIN2

Digital input

DAC channel 2 data input

9

DIN3

Digital input

DAC channel 3 data input

10

DOUT

Digital output ADC data output

11

ML/I2S

Digital input

Software Mode: Serial interface Latch signal

Hardware Mode: Input Audio Data Format

12

MC/IWL

Digital input

Software Mode: Serial control interface clock

Hardware Mode: Audio data input word length

13

MD/DM

Digital input

Software Mode: Serial interface data

Hardware Mode: De-emphasis selection

14

MUTE

Digital input/output DAC Zero Flag output or DAC mute input

15

REFADC

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

16

VREFN

Supply

ADC and DAC negative supply

17

VREFP

Supply

DAC positive reference supply

18

VMID

Analogue output Midrail divider decoupling pin; 10uF external decoupling

19

AINR

Analogue input ADC right input

20

AINL

Analogue input ADC left input

21

VOUT1L

Analogue output DAC channel 1 left output

22

VOUT1R

Analogue output DAC channel 1 right output

23

VOUT2L

Analogue output DAC channel 2 left output

24

VOUT2R

Analogue output DAC channel 2 right output

25

VOUT3L

Analogue output DAC channel 3 left output

26

VOUT3R

Analogue output DAC channel 3 right output

27

AGND

Supply

Analogue negative supply and substrate connection

28

AVDD

Supply

Analogue positive supply

Note: Digital input pins have Schmitt trigger input buffers.

w

PD Rev 4.2 October 2005

7

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