WM9707
Advanced Information
SYSTEM INFORMATION
CD, VIDEO,
AUX, LINEINL/R
MIC1
MIC2
PCBEEP
PHONE
22
21
12
13
35
36
LINEOUTL/R
RESET
11
6
{
AC’97
BITCLK
39
41
LNLVLOUTL/R
DIGITAL
SYNC
WM9707
10
8
CONTROLLER
SDATAIN
SDATAOUT
MONO_OUT
37
48
5
SPDIF OUTPUT
CID
45
AUDIO SPDIF
TRANSFORMER
CIRCUIT
Figure 7 Revision 2.1 Compliant 2-Channel Codec
SDATAOUT
BITCLK
SDATAOUT
BITCLK
LINEOUTL
Front R data
Front L data
SDATAIN_0
SDATAIN
WM9707
SDATAIN_1
SYNC
SYNC
PC I/O
RESET
LINEOUTR
ID=0
RESET
CHIPSET
XTLOUT
OR AC’97
CONTROLLER
XTLIN
LINEOUTL
Surround R data
Surround L data
SDATAOUT
BITCLK
SDATAIN
SYNC
WM9707
RESET
LINEOUTR
ID=1
Figure 8 WM9707 in a 4 Channel System
SDATAOUT
BITCLK
SDATAIN
SYNC
RESETB
Option of using RESETB
or SDATAIN to disable
PC I/O
NB CODEC
LINEOUTL
when docked.
SDATAOUT
CHIPSET
OR AC’97
CONTROLLER
BITCLK
SDATAIN
WM9707
SYNC
CID
RESETB
SDATAOUT
BITCLK
LINEOUTR
ID=0
SDATAIN
SYNC
WM9707
RESETB
ID=0
If pin CID is not driven
then CODEC ID
defaults to 0.
NOTEBOOK/
LAPTOP
When docked CID is
pulled low making
CODEC a ’slave’ (1)
stopping BITCLK
DOCKING STATION
Figure 9 WM9707 in a Docking Station System
WOLFSON MICROELECTRONICS LTD
AI Rev 2.2 January 2001
10
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
