WM9711L 查看數據表（PDF） - Wolfson Microelectronics plc
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WM9711L Datasheet PDF : 66 Pages
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Production Data
PIN DESCRIPTION
PIN
NAME
1
DBVDD
2
XTLIN
3
XTLOUT
4
DGND1
5
SDATAOUT
6
BITCLK
7
DGND2
8
SDATAIN
9
DCVDD
10
SYNC
11
RESETB
12
CREF
13
AVDD2
14
NC
15
NC
16
NC
17
NC
18
AGND1
19
PCBEEP
20
PHONE
21
MIC1
22
MIC2
23
LINEINL
24
LINEINR
25
AVDD
TYPE
Supply
Digital Input
Digital Output
Supply
Digital Input
Digital Output
Supply
Digital Output
Supply
Digital Input
Digital Input
Analogue Input
Supply
No Connect
No Connect
No Connect
No Connect
Supply
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Supply
26
AGND
Supply
27
VREF
Analogue Output
28
MICBIAS
Analogue Output
29
COMP1
Analogue Input
30
COMP2
Analogue Input
31
COMP3
Analogue Input
32
CAP2
Analogue In / Out
33
MONOOUT
Analogue Output
34
SPKGND
Supply
35
LOUT2
Analogue Output
36
ROUT2
Analogue Output
37
OUT3
Analogue Output
38
SPKVDD
Supply
39
HPOUTL
Analogue Output
40
HPGND
Supply
41
HPOUTR
Analogue Output
42
AGND2
Supply
43
HPVDD
Digital In / Out
44
GPIO1
Digital In / Out
45
GPIO2 / IRQ
Digital In / Out
46
GPIO3
Digital In / Out
47
GPIO4
Digital In / Out
48
GPIO5 / SPDIF_OUT Digital In / Out
WM9711L
DESCRIPTION
Digital I/O Buffer Supply
Clock Crystal Connection 1 / External Clock Input
Clock Crystal Connection 2
Digital Ground (return path for both DCVDD and DBVDD)
Serial Data Output from Controller / Input to WM9711L
Serial Interface Clock Output to Controller
Digital Ground (return path for both DCVDD and DBVDD)
Serial Data Input to Controller / Output from WM9711L
Digital Core Supply
Serial Interface Synchronisation Pulse from Controller
Reset (Active Low, resets all registers to their default)
Reference for analogue comparators (COMP1,2,3)
Connect to AVDD
Leave this pin floating
Leave this pin floating
Leave this pin floating
Leave this pin floating
Connect to AGND
Line Input to analogue audio mixers, typically used for beeps
Phone Input (RX)
Left Microphone Input
Right Microphone Input
Left Line Input
Right Line Input
Analogue Supply (feeds audio DACs, ADCs, PGAs, mic boost,
mixers)
Analogue Ground
Internal Reference Voltage (buffered CAP2)
Bias Voltage for Microphones (buffered CAP2 × 1.8)
Comparator Input 1
Comparator Input 2
Comparator Input 3
Internal Reference Voltage (normally AVDD/2, if not overdriven)
Mono Output, intended for Phone TX signal
Speaker Ground (feeds output buffers on pins 35 and 36)
Left Output 2 (Speaker, Line or Headphone)
Right Output 2 (Speaker, Line or Headphone)
Analogue Output 3 (from AUXDAC or headphone pseudo-ground)
Speaker Supply (feeds output buffers on pins 35 and 36)
Headphone Left Output
Headphone Ground (feeds output buffers on pins 37, 39, 41)
Headphone Left Output
Chip Substrate, connect to AGND
Headphone Supply (feeds output buffers on pins 37, 39, 41)
GPIO Pin 1
GPIO Pin 2 or IRQ (Interrupt Request) Output
GPIO Pin 3
GPIO Pin 4 (On reset, pin level configures device power up status.
See Applications section for external components configuration)
GPIO Pin 5 or SPDIF Digital Audio Output
w
PD Rev 4.1 April 2004
5
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