wm9708 Wolfson Microelectronics plc, wm9708 Datasheet - Page 4

• Manufacturer Part Number: wm9708
• Description: Ac?97 Revision 2.1 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

WM9708
PIN DESCRIPTION
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28-PIN SSOP
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
PIN
1
2
3
4
5
6
7
8
9
-
NC
NC
DVDD
XTLIN
XTLOUT
SDATAOUT
BITCLK
DGND
SDATAIN
SYNC
RESETB
PCBEEP
CDL
CDGND
CDR
MIC1
LINEINL
LINEINR
AGND
VREF
VREFOUT
CAP
NC
LINEOUTL
LINEOUTR
MONOOUT
AVDD
AGND
NC
NAME
Supply
Digital input
Digital output
Digital input
Digital output
Supply
Digital output
Digital input
Digital input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Supply
Analogue output
Analogue output
Analogue input
Analogue output
Analogue output
Analogue output
Supply
Supply
TYPE
No internal connection
No internal connection
Digital positive supply
Clock crystal connection or clock input (XTAL not used)
Clock crystal connection
Serial data input
Serial interface clock output to AC’97 controller
Digital ground supply
Serial data output to AC’97 controller
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 CD signal
CD input common mode reference (ground)
Mixer input, typically for CD signal
Mixer input with extra gain if required
Mixer input, typically for LINE signal
Mixer input, typically for LINE signal
Analogue ground supply, chip substrate
Buffered CAP, used as MIXER reference
Reference for microphones; buffered CAP
Reference input/output; pulls to midrail if not driven
No internal connection
Main analogue output for left channel
Main analogue output for right channel
Main mono output
Analogue positive supply
Analogue ground supply, chip substrate
No Internal Connection
DESCRIPTION
PD, Rev 4.2, August 2009
Production Data
4