WM8777
Pre-Production
PIN DESCRIPTION
PIN
1
NAME
PGND
TYPE
DESCRIPTION
Supply
PLL ground supply
PLL positive supply
2
PVDD
Supply
3
CLKOUT
PDATAOP
PDATAIP1
PDATAIP2
PDATAIP3
PDATAIP4
Digital output
Digital output
Digital Input
Digital Input
Digital Input
Digital Input
PLL output or crystal oscillator output
4
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)
5
6
7
8
9
PDATAIPLRC Digital input/output DAC left/right word clock
PDATAOPLRC Digital input/output ADC left/right word clock
10
11
12
PBCLK
MCLK
Digital input/output ADC and DAC audio interface bit clock
Digital input/output Master DAC and ADC clock; 128, 192, 256, 384, 512, 768fs or 1152fs (fs =
word clock freq)
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
SDOUT
DVDD
Digital output
Supply
Serial interface output data
Digital positive supply
DGND
Supply
Digital negative supply
CSB
Digital input
Serial interface Latch signal (5V tolerant)
Serial interface clock (5V tolerant)
SCLK
Digital input
SDIN
Digital input
Serial interface data (5V tolerant)
AIN1L
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
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
AIN1R
AIN2L
AIN2R
AIN3L
AIN3R
AIN4L
AIN4R
AIN5L
AIN5R
AIN6L
AIN6R
AINOPL
AINVGL
AINVGR
AINOPR
RECL
Analogue Output Left channel multiplexor output
Analogue Input
Analogue Input
Left channel multiplexor virtual ground
Right channel multiplexor virtual ground
Analogue Output Right channel multiplexor output
Analogue Output Left channel input mux select output
Analogue Output Right channel input mux select output
RECR
AVDDADC
REFADCP
VMIDADC
AGNDADC
REFADCN
DACREFP1
DACREFN1
VMIDDAC1
RAUXSOP
RAUXBMIN
LAUXSOP
LAUXBMIN
AUXR
Supply
Analogue positive supply for ADC
Analogue Output ADC reference buffer decoupling pin; 10uF external decoupling
Analogue Output ADC midrail divider decoupling pin; 10uF external decoupling
Supply
Analogue negative supply and substrate connection for ADC
ADC ground reference
Supply
Supply
DAC positive reference supply
Supply
DAC ground reference
Analogue output
Analogue output
Analogue input
Analogue output
Analogue input
Analogue output
Analogue output
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
AUXL
PP Rev 3.0 January 2004
w
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
