Pre-Production
WM8777
PIN
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
NAME
RRBMIN
RSURSOP
SURR
TYPE
DESCRIPTION
Right surround channel bass managed filtered input
Right surround channel summer output
DAC surround channel right output
Analogue input
Analogue output
Analogue output
Analogue input
Analogue output
Analogue output
Analogue input
Analogue input
Analogue output
Analogue Input
Analogue output
Analogue output
Supply
LRBMIN
LSURSOP
SURL
Left surround channel bass managed filtered input
Left surround channel summer output
DAC surround channel left output
AUX3R
AUX3L
3.1 Multiplexor channel 3 right virtual ground input
3.1 Multiplexor channel 3 left virtual ground input
DAC LFE channel right output
LFE
LFEVE
LFE channel summer virtual earth
LFESUM
LFESOP
AVDDDAC
AGNDDAC
HPHONER
HPHONEL
AUX2R
AUX2L
LFE channel summer output
LFE channel summer output
Analogue positive supply for DAC
Supply
Analogue negative supply and substrate connection for DAC
Headphone channel right output
Analogue output
Analogue output
Analogue input
Analogue input
Analogue output
Analogue output
Analogue input
Analogue input
Analogue input
Analogue output
Analogue input
Analogue input
Analogue input
Analogue output
Analogue output
Analogue input
Analogue input
Analogue input
Analogue output
Analogue input
Analogue input
Analogue output
Supply
headphone channel left output
3.1 Multiplexor channel 2 right virtual ground input
3.1 Multiplexor channel 2 left virtual ground input
DAC centre channel right output
CNTR
CNTSOP
CIN3
Centre front channel summer output
Centre channel bass management filter input
Centre channel bass filter input
CIN2
CIN1
Centre channel treble filter input
FRONTR
RIN3
DAC front channel right output
Right front channel bass management filter input
Right front channel bass filter input
RIN2
RIN1
Right front channel treble filter input
Right front channel summer output
RSUMOP
FRONTL
LIN3
DAC front channel left output
Left front channel bass management filter input
Left front channel bass filter input
LIN2
LIN1
Left front channel treble filter input
LSUMOP
AUX1R
AUX1L
Left front channel summer output
3.1 Multiplexor channel 1 right virtual ground input
3.1 Multiplexor channel 1 left virtual ground input
DAC midrail decoupling pin ; 10uF external decoupling
DAC ground reference
VMIDDAC2
DACREFN2
DACREFP2
GPIO1
Supply
DAC positive reference supply
Digital input/output Selectable i/o (S/PDIF input, status flag output or ADCMCLK)
Digital input/output Selectable i/o (S/PDIF input, status flag output, or PDATAOPBCLK)
Digital input/output Selectable i/o (S/PDIF input or status flag output)
GPIO2
GPIO3
GPO/MODE
SPIN
Digital input/output Selectable i/o (state at RESET determines control interface type)
Digital input
S/PDIF input
SPDIFOP
SBCLK
SLRC
Digital output
S/PDIF output
Digital input/output Secondary Audio Interface bit clock
Digital input/output Secondary Audio Interface left/right clock
SDATAOP
SDATAIP
XTO
Digital output
Digital Input
Crystal op
Secondary Audio Interface output data
Secondary Audio Interface input data
Crystal oscillator output
XTI
Digital input
Crystal oscillator or external clock inputs
PP Rev 3.0 January 2005
5
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
