WM9707
PIN DESCRIPTION
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
NAME
DVDD1
XTLIN
XTLOUT
DVSS1
SDATAOUT
BITCLK
DVSS2
SDATAIN
DVDD2
SYNC
RESETB
PCBEEP
PHONE
AUXL
AUXR
VIDEOL
VIDEOR
CDL
CDGND
CDR
MIC1
MIC2
LINEINL
LINEINR
AVDD1
AVSS1
VREF
VREFOUT
NC
NC
NC
CAP2
CX3D1
CX3D2
LINEOUTL
LINEOUTR
MONOOUT
AVDD2
LNLVLOUTL
NC
LNLVLOUTR
AVSS2
NC
SPDIF ENABLE
CID
NC
EAPD
SPDIF
Digital output
Digital output
Digital input
Digital input
Analogue output
Supply
Analogue input
Analogue output
Analogue input
Analogue output
Analogue output
Analogue output
Supply
Analogue output
Supply
Digital input
Digital output
Supply
Digital input
Digital output (master)
Digital input (slave)
Supply
Digital output
Supply
Digital input
Digital input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Supply
Supply
Analogue output
Analogue output
TYPE
Digital positive supply
DESCRIPTION
Advanced Information
Clock crystal connection or clock input (XTAL not used)
Clock crystal connection
Digital ground supply
Serial data input
Serial interface clock output to AC’97 controller
or input from AC’97 master codec
Digital ground supply
Serial data output to AC’97 controller
Digital positive supply
Serial interface sync pulse from AC’97 controller
NOT reset input (active low, resets registers)
Mixer input, typically for PCBEEP signal
Mixer input, typically for PHONE signal
Mixer input, typically for AUX signal
Mixer input, typically for AUX signal
Mixer input, typically for VIDEO signal
Mixer input, typically for VIDEO signal
Mixer input, typically for CD signal
CD input common mode reference (ground)
Mixer input, typically for CD signal
Mixer input with extra gain if required
Mixer input with extra gain if required
Mixer input, typically for LINE signal
Mixer input, typically for LINE signal
Analogue positive supply
Analogue ground supply, chip substrate
Buffered CAP2
Reference for microphones; buffered CAP2
No internal connection
No internal connection
No internal connection
Reference input/output; pulls to midrail if not driven
Output pin for 3D difference signal
Input pin for 3D difference signal
Main analogue output for left channel
Main analogue output for right channel
Main mono output
Analogue positive supply
Left channel line level output
No internal connection
Right channel line level output
Analogue ground supply, chip substrate
No internal connection
SPDIF ENABLE (internal pull-down)
Master/slave ID select (internal pull-up), Hi = master
No internal connection
External amplifier powerdown/GPO
SPDIF digital audio data output
WOLFSON MICROELECTRONICS LTD
AI Rev 2.2 January 2001
6
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
