WM9701 查看數據表（PDF） - Wolfson Microelectronics plc
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WM9701 Datasheet PDF : 24 Pages
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WM9701A
PIN DESCRIPTION
PIN
NAME
1
DVDD1
2
XTLIN
3
XTLOUT
4
DVSS1
5
SDATAOUT
6
BITCLK
7
DVSS2
8
SDATAIN
9
DVDD2
10
SYNC
11
RESETB
12
PCBEEP
13
PHONE
14
AUXL
15
AUXR
16
VIDEOL
17
VIDEOR
18
CDL
19
CDGND
20
CDR
21
MIC1
22
MIC2
23
LINEINL
24
LINEINR
25
AVDD1
26
AVSS1
27
VREF
28
VREFOUT
29
NC
30
NC
31
NC
32
CAP2
33
NC
34
NC
35
LINEOUTL
36
LINEOUTR
37
MONOOUT
38
AVDD2
39
NC
40
NC
41
NC
42
AVSS2
43
NC
44
NC
45
NC
46
NC
47
NC
48
NC
TYPE
Supply
Digital input
Digital output
Supply
Digital input
Digital output
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
Analogue input
Analogue output
Analogue output
Analogue output
Supply
Supply
Production Data
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
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, used as MIXER reference
Reference for microphones; buffered CAP2
No internal connection
No internal connection
No internal connection
Reference input/output; pulls to midrail if not driven
No internal connection
No internal connection
Main analogue output for left channel
Main analogue output for right channel
Main mono output
Analogue positive supply
No internal connection
No internal connection
No internal connection
Analogue ground supply, chip substrate
No internal connection
No internal connection
No internal connection
No internal connection
No internal connection
No internal connection
WOLFSON MICROELECTRONICS LTD.
PD Rev 3.2 January 2001
8
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