WM8777
PIN DESCRIPTION
PIN
1
2
3
4
5
6
7
8
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
49
50
NAME
PGND
PVDD
CLKOUT
PDATAOP
PDATAIP1
PDATAIP2
PDATAIP3
PDATAIP4
PDATAIPLRC
PDATAOPLRC
PBCLK
MCLK
SDOUT
DVDD
DGND
CSB
SCLK
SDIN
AIN1L
AIN1R
AIN2L
AIN2R
AIN3L
AIN3R
AIN4L
AIN4R
AIN5L
AIN5R
AIN6L
AIN6R
AINOPL
AINVGL
AINVGR
AINOPR
RECL
RECR
AVDDADC
REFADCP
VMIDADC
AGNDADC
REFADCN
DACREFP1
DACREFN1
VMIDDAC1
RAUXSOP
RAUXBMIN
LAUXSOP
LAUXBMIN
AUXR
AUXL
TYPE
Supply
Supply
Digital output
Digital output
Digital Input
Digital Input
Digital Input
Digital Input
Digital input/output
Digital input/output
Digital input/output
Digital input/output
Digital output
Supply
Supply
Digital input
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 Output
Analogue Input
Analogue Input
Analogue Output
Analogue Output
Analogue Output
Supply
Analogue Output
Analogue Output
Supply
Supply
Supply
Supply
Analogue output
Analogue output
Analogue input
Analogue output
Analogue input
Analogue output
Analogue output
PLL ground supply
PLL positive supply
PLL output or crystal oscillator output
Primary Audio Interface data output (ADC)
Primary Audio Interface data input 1 (DAC1)
Primary Audio Interface data input 2 (DAC2)
Primary Audio Interface data input 3 (DAC3)
Primary Audio Interface data input 4 (DAC4)
DAC left/right word clock
ADC left/right word clock
ADC and DAC audio interface bit clock
DESCRIPTION
Product Preview
Master DAC and ADC clock; 128, 192, 256, 384, 512, 768fs or 1152fs (fs =
word clock freq)
Serial interface output data
Digital positive supply
Digital negative supply
Serial interface Latch signal (5V tolerant)
Serial interface clock (5V tolerant)
Serial interface data (5V tolerant)
Channel 1 left input multiplexor virtual ground
Channel 1 right input multiplexor virtual ground
Channel 2 left input multiplexor virtual ground
Channel 2 right input multiplexor virtual ground
Channel 3 left input multiplexor virtual ground
Channel 3 right input multiplexor virtual ground
Channel 4 left input multiplexor virtual ground
Channel 4 right input multiplexor virtual ground
Channel 5 left input multiplexor virtual ground
Channel 5 right input multiplexor virtual ground
Channel 6 left input multiplexor virtual ground
Channel 6 right input multiplexor virtual ground
Left channel multiplexor output
Left channel multiplexor virtual ground
Right channel multiplexor virtual ground
Right channel multiplexor output
Left channel input mux select output
Right channel input mux select output
Analogue positive supply for ADC
ADC reference buffer decoupling pin; 10uF external decoupling
ADC midrail divider decoupling pin; 10uF external decoupling
Analogue negative supply and substrate connection for ADC
ADC ground reference
DAC positive reference supply
DAC ground reference
DAC midrail decoupling pin ; 10uF external decoupling
Right aux/rear channel summer output
Right Aux/rear channel bass managed filtered input
Left aux/rear channel summer output
Left Aux/rear channel bass managed filtered input
DAC aux or rear channel right output
DAC aux or rear channel left output
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PP Rev 1.94 November 2004
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
