WM8776
Production Data
PIN DESCRIPTION
PIN
NAME
TYPE
DESCRIPTION
1
AIN2L
Analogue Input
Channel 2 left input multiplexor virtual ground
2
AIN1R
Analogue Input
Analogue Input
Channel 1 right input multiplexor virtual ground
Channel 1 left input multiplexor virtual ground
3
AIN1L
DACBCLK
DACMCLK
DIN
4
Digital input/output DAC audio interface bit clock
5
Digital input
Digital Input
Master DAC clock; 256, 384, 512 or 768fs (fs = word clock frequency)
DAC data input
6
7
DACLRC
ZFLAGR
ZFLAGL
ADCBCLK
ADCMCLK
DOUT
Digital input/output DAC left/right word clock
8
Open Drain output DAC Right Zero Flag output (external pull-up resistor required)
Open Drain output DAC Left Zero Flag output (external pull-up resistor required)
Digital input/output ADC audio interface bit clock
9
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
Digital input
ADC audio interface master clock
ADC data output
Digital output
ADCLRC
DGND
Digital input/output ADC left/right word clock
Supply
Digital negative supply
Digital positive supply
Control interface mode select
Serial interface Latch signal
Serial interface data
DVDD
Supply
MODE
Digital input
Digital input
Digital input
Digital input
CE
DI
CL
Serial interface clock
HPOUTL
HPGND
HPVDD
HPOUTR
NC
Analogue Output Headphone left channel output
Supply
Supply
Headphone negative supply
Headphone positive supply
Analogue Output Headphone right channel output
Not bonded
Not bonded
NC
VOUTL
VOUTR
VMIDDAC
DACREFN
DACREFP
AUXR
Analogue output
Analogue output
Analogue output
Analogue input
Analogue input
Analogue input
Analogue input
DAC channel left output
DAC channel right output
DAC midrail decoupling pin ; 10uF external decoupling
DAC negative reference input
DAC positive reference input
DAC mixer right channel input
DAC mixer left channel input
AUXL
VMIDADC
ADCREFGND
ADCREFP
AVDD
Analogue Output ADC midrail divider decoupling pin; 10uF external decoupling
Supply
ADC negative supply and substrate connection
Analogue Output ADC positive reference decoupling pin; 10uF external decoupling
Supply
Supply
Analogue positive supply
AGND
Analogue negative supply and subVstrate connection
Right channel multiplexor virtual ground
AINVGR
AINOPR
AINVGL
AINOPL
AIN5R
Analogue Input
Analogue Output Right channel multiplexor output
Analogue Input
Left channel multiplexor virtual ground
Analogue Output Left channel multiplexor output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Channel 5 right input multiplexor virtual ground
AIN5L
Channel 5 left input multiplexor virtual ground
Channel 4 right input multiplexor virtual ground
Channel 4 left input multiplexor virtual ground
Channel 3 right input multiplexor virtual ground
Channel 3 left input multiplexor virtual ground
Channel 2 right input multiplexor virtual ground
AIN4R
AIN4L
AIN3R
AIN3L
AIN2R
Note : Digital input pins have Schmitt trigger input buffers.
PD Rev 4.0 April 2005
4
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
