WM9707
Advanced Information
PIN DESCRIPTION
PIN
1
NAME
TYPE
DESCRIPTION
DVDD1
XTLIN
Supply
Digital positive supply
2
Digital input
Digital output
Supply
Clock crystal connection or clock input (XTAL not used)
Clock crystal connection
3
XTLOUT
DVSS1
4
Digital ground supply
5
SDATAOUT
BITCLK
Digital input
Serial data input
6
Digital output (master) Serial interface clock output to AC’97 controller
Digital input (slave)
Supply
or input from AC’97 master codec
Digital ground supply
7
DVSS2
SDATAIN
DVDD2
SYNC
8
Digital output
Supply
Serial data output to AC’97 controller
Digital positive supply
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
Digital input
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
RESETB
PCBEEP
PHONE
AUXL
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
AUXR
VIDEOL
VIDEOR
CDL
CDGND
CDR
MIC1
MIC2
LINEINL
LINEINR
AVDD1
AVSS1
VREF
Supply
Analogue ground supply, chip substrate
Buffered CAP2
Analogue output
Analogue output
VREFOUT
NC
Reference for microphones; buffered CAP2
No internal connection
NC
No internal connection
NC
No internal connection
CAP2
Analogue input
Analogue output
Analogue input
Analogue output
Analogue output
Analogue output
Supply
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
CX3D1
CX3D2
LINEOUTL
LINEOUTR
MONOOUT
AVDD2
LNLVLOUTL
NC
Analogue positive supply
Analogue output
Left channel line level output
No internal connection
LNLVLOUTR
AVSS2
NC
Analogue output
Supply
Right channel line level output
Analogue ground supply, chip substrate
No internal connection
SPDIF ENABLE
CID
Digital input
Digital input
SPDIF ENABLE (internal pull-down)
Master/slave ID select (internal pull-up), Hi = master
No internal connection
NC
EAPD
Digital output
Digital output
External amplifier powerdown/GPO
SPDIF digital audio data output
SPDIF
WOLFSON MICROELECTRONICS LTD
AI Rev 2.2 January 2001
6
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
