WM8777(2005) Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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Компоненты Описание
производитель
WM8777 Datasheet PDF : 103 Pages
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Pre-Production
PIN
NAME
51
RRBMIN
52
RSURSOP
53
SURR
54
LRBMIN
55
LSURSOP
56
SURL
57
AUX3R
58
AUX3L
59
LFE
60
LFEVE
61
LFESUM
62
LFESOP
63
AVDDDAC
64
AGNDDAC
65
HPHONER
66
HPHONEL
67
AUX2R
68
AUX2L
69
CNTR
70
CNTSOP
71
CIN3
72
CIN2
73
CIN1
74
FRONTR
75
RIN3
76
RIN2
77
RIN1
78
RSUMOP
79
FRONTL
80
LIN3
81
LIN2
82
LIN1
83
LSUMOP
84
AUX1R
85
AUX1L
86
VMIDDAC2
87
DACREFN2
88
DACREFP2
89
GPIO1
90
GPIO2
91
GPIO3
92
GPO/MODE
93
SPIN
94
SPDIFOP
95
SBCLK
96
SLRC
97
SDATAOP
98
SDATAIP
99
XTO
100
XTI
WM8777
TYPE
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
Supply
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
Supply
Digital input/output
Digital input/output
Digital input/output
Digital input/output
Digital input
Digital output
Digital input/output
Digital input/output
Digital output
Digital Input
Crystal op
Digital input
DESCRIPTION
Right surround channel bass managed filtered input
Right surround channel summer output
DAC surround channel right output
Left surround channel bass managed filtered input
Left surround channel summer output
DAC surround channel left output
3.1 Multiplexor channel 3 right virtual ground input
3.1 Multiplexor channel 3 left virtual ground input
DAC LFE channel right output
LFE channel summer virtual earth
LFE channel summer output
LFE channel summer output
Analogue positive supply for DAC
Analogue negative supply and substrate connection for DAC
Headphone channel right output
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
Centre front channel summer output
Centre channel bass management filter input
Centre channel bass filter input
Centre channel treble filter input
DAC front channel right output
Right front channel bass management filter input
Right front channel bass filter input
Right front channel treble filter input
Right front channel summer output
DAC front channel left output
Left front channel bass management filter input
Left front channel bass filter input
Left front channel treble filter input
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
DAC positive reference supply
Selectable i/o (S/PDIF input, status flag output or ADCMCLK)
Selectable i/o (S/PDIF input, status flag output, or PDATAOPBCLK)
Selectable i/o (S/PDIF input or status flag output)
Selectable i/o (state at RESET determines control interface type)
S/PDIF input
S/PDIF output
Secondary Audio Interface bit clock
Secondary Audio Interface left/right clock
Secondary Audio Interface output data
Secondary Audio Interface input data
Crystal oscillator output
Crystal oscillator or external clock inputs
w
PP Rev 3.0 January 2005
5
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