wm9704q Wolfson Microelectronics plc, wm9704q Datasheet - Page 6

• Manufacturer Part Number: wm9704q
• Description: 4-channel Surround Sound Codec
• Manufacturer: Wolfson Microelectronics plc

WM9704Q
PIN DESCRIPTION
Note:
1. Pins 27, 29 and 31 have an internal connection.
WOLFSON MICROELECTRONICS LTD
PIN
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
1
2
3
4
5
6
7
8
9
LNLVLOUTR
LNLVLOUTL
SDATAOUT
MONOOUT
LINEOUTR
LINEOUTL
VREFOUT
AFILT1(1)
SDATAIN
PCBEEP
XTLOUT
RESETB
LINEINR
VIDEOR
VREF(1)
CAP1(1)
VIDEOL
CDGND
LINEINL
PHONE
MODE0
MODE1
DVDD1
BITCLK
DVDD2
DVSS1
DVSS2
AVDD1
AVDD2
AVSS1
CX3D1
CX3D2
AVSS2
GPIO1
GPIO2
GPIO3
NAME
XTLIN
SYNC
AUXR
EAPD
CAP2
AUXL
MIC1
MIC2
CID0
CID1
CDR
CDL
TYPE
Digital input
Digital output
Supply
Digital input
Digital output (master)
Digital input (slave)
Supply
Digital output
Digital input
Digital input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Supply
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Supply
Programmable I/O
Programmable I/O
Digital output
Programmable I/O
Supply
Supply
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Supply
Digital input
Analogue output
Analogue input
Analogue output
Analogue input
Supply
Digital input
Digital input
Digital input
Analogue ground supply, chip substrate
Analogue ground supply, chip substrate
DESCRIPTION
Digital positive supply
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
Buffered CAP2
Reference for microphones; buffered CAP2
Buffered CAP2
Mode select pin, internal pull down (6-channel support I
enable)
Buffered CAP2
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
Mode select pin, internal pull down (Quad mode select)
Right channel line level output
GPIO or I
GPIO or I
Master/slave ID select (internal pull-up)
Master/slave ID select (internal pull-up)
External amplifier power down/GPO
GPIO or I
2
2
2
S
S
S
PD Rev 2.3 January 2001
Production Data
2
S
6