wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 5

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
PIN DESCRIPTION
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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
1
2
3
4
5
6
7
8
9
MCLKB / GPIO6 / (ADA / MASK)
AUX4 / GPIO8 / (S/PDIF)
MIC2A / COMP1 / AUX1
MIC2B / COMP2 / AUX2
RESETB / GPIO7
SDATAOUT
SDATAIN
SPKGND
PCBEEP
MONOIN
MICBIAS
SPKVDD
DCVDD
HPGND
DBVDD
MCLKA
DGND1
BITCLK
DGND2
AGND3
AGND2
HPVDD
AVDD2
MICCM
MONO
LINER
AGND
SYNC
LINEL
AVDD
SPKR
NAME
VREF
CAP2
OUT4
OUT3
SPKL
MIC1
HPR
HPL
NC
NC
NC
NC
Analogue In / Out
Analogue In / Out
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital In / Out
Analog output
Digital Output
Digital Output
Digital In/Out
Digital Input
Digital Input
Digital Input
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
TYPE
Digital I/O Buffer Supply
Master Clock A Input
Master Clock B Input / GPIO6 / (ADA output / MASK input)
Digital Ground (return path for both DCVDD and DBVDD)
Serial Data Output from Controller / Input to WM9714L
Serial Interface Clock Output to Controller
Digital Ground (return path for both DCVDD and DBVDD)
Serial Data Input to Controller / Output from WM9714L
Digital Core Supply
Serial Interface Synchronisation Pulse from Controller
Reset (asynchronous, active Low, resets all registers to their
default) / GPIO7
Auxiliary ADC input / GPIO8 / (S/PDIF digital audio output)
Analogue Supply
Do not connect
Do not connect
Do not connect
Do not connect
Analogue Ground
Line Input to analogue audio mixers, typically used for beeps
Mono Input (RX)
Microphone preamp A input 1
Microphone common mode input
Left Line Input
Right Line Input
Analogue Supply (audio DACs, ADCs, PGAs, mic amps, mixers)
Analogue Ground
Internal Reference Voltage (buffered CAP2)
Bias Voltage for Microphones (buffered CAP2 × 1.8)
Microphone preamp A input 2 / COMP1 input / Auxiliary ADC input
Microphone preamp B input / COMP2 input / Auxiliary ADC input
Mono output driver (line or headphone)
Internal Reference Voltage (normally AVDD/2, if not overdriven)
Auxiliary output driver (speaker, line or headphone)
Speaker ground (feeds output buffers on pins 33, 35, 36 and 37)
Left speaker driver (speaker, line or headphone)
Right speaker driver (speaker, line or headphone)
Auxiliary output driver (speaker, line or headphone)
Speaker supply (feeds output buffers on pins 33, 35, 36 and 37)
Headphone left driver (line or headphone)
Headphone ground (feeds output buffers on pins 39 and 41)
Headphone right driver (line or headphone)
Analogue ground, chip substrate
Headphone supply (feeds output buffers on pins 39 and 41)
DESCRIPTION
PP, Rev 3.2, October 2008
WM9714L
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