WM9707 Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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WM9707

AC’97 Revision 2.1 Audio Codec with SPDIF Output

Wolfson Microelectronics plc 

WM9707

SYSTEM INFORMATION

Advanced Information

MIC2

MIC1

CD, VIDEO,

AUX, LINEINL/R

PCBEEP PHONE

22 21 12 13

RESET

11

AC’97

BITCLK

6

DIGITAL

SYNC

CONTROLLER

10

SDATAIN

8

SDATAOUT

5

CID

45

WM9707

Figure 7 Revision 2.1 Compliant 2-Channel Codec

35

LINEOUTL/R

36

39

LNLVLOUTL/R

41

37

MONO_OUT

48

SPDIF OUTPUT

AUDIO SPDIF

TRANSFORMER

CIRCUIT

SDATAOUT

BITCLK

SDATAIN_0

SDATAIN_1

PC I/O

SYNC

CHIPSET RESET

OR AC’97

CONTROLLER

SDATAOUT

BITCLK

SDATAIN

SYNC

RESET

XTLOUT

LINEOUTL

WM9707

LINEOUTR

ID=0

Front R data

Front L data

XTLIN

SDATAOUT

BITCLK

SDATAIN

SYNC

RESET

LINEOUTL

WM9707

LINEOUTR

ID=1

Figure 8 WM9707 in a 4 Channel System

Surround R data

Surround L data

SDATAOUT

BITCLK

SDATAIN

SYNC

RESETB

PC I/O

CHIPSET

OR AC’97

CONTROLLER

NOTEBOOK/

LAPTOP

Option of using RESETB

or SDATAIN to disable

NB CODEC

when docked.

CID

SDATAOUT

BITCLK

SDATAIN WM9707

SYNC

RESETB

ID=0

If pin CID is not driven

then CODEC ID

defaults to 0.

When docked CID is

pulled low making

CODEC a ’slave’ (1)

stopping BITCLK

LINEOUTL

SDATAOUT

BITCLK

SDATAIN WM9707

SYNC

RESETB

LINEOUTR

ID=0

DOCKING STATION

Figure 9 WM9707 in a Docking Station System

WOLFSON MICROELECTRONICS LTD

AI Rev 2.2 January 2001

10

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