WM8734 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8734

Stereo Audio CODEC

Wolfson Microelectronics plc 

WM8734

Production Data

PIN DESCRIPTION - SSOP

PIN

NAME

TYPE

DESCRIPTION

1

DGND

Ground

Digital GND

2

DBVDD

Supply

Digital Buffers VDD

3

BCLK

Digital Input/Output Digital Audio Bit Clock, Pull Down, (see Note 1)

4

DACDAT

Digital Input

DAC Digital Audio Data Input

5

DACLRC Digital Input/Output DAC Sample Rate Left/Right Clock. Pull Down (see Note 1)

6

ADCDAT

Digital Output

ADC Digital Audio Data Output

7

ADCLRC Digital Input/Output ADC Sample Rate Left/Right Clock, Pull Down (see Note 1)

8

LOUT

Analogue Output Left Channel Line Output

9

ROUT

Analogue Output Right Channel Line Output

10

AVDD

Supply

Analogue VDD

11

AGND

Ground

Analogue GND

12

VMID

Analogue Output Mid-rail reference decoupling point

13

RLINEIN

Analogue Input Right Channel Line Input (AC coupled)

14

LLINEIN

Analogue Input Left Channel Line Input (AC coupled)

15

MODE

Digital Input

Control Interface Selection, Pull Up (see Note 1)

16

CSB

Digital Input

3-Wire MPU Chip Select / 2-Wire MPU interface address selection, active low,

Pull up (see Note 1)

17

SDIN

Digital Input/Output 3-Wire MPU Data Input / 2-Wire MPU Data Input

18

SCLK

Digital Input

3-Wire MPU Clock Input / 2-Wire MPU Clock Input

19

MCLK

Digital Input

Master Clock Input (MCLK)

20

DCVDD

Supply

Digital Core VDD

Note:

1. Pull Up/Down only present when Control Register Interface ACTIVE = 0 to conserve power.

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PD Rev 4.1 November 2006

4

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