參數(shù)資料
型號(hào): 82C931
廠商: Electronic Theatre Controls, Inc.
英文描述: Plug and Play Integrated Audio Controller
中文描述: 即插即用集成音頻控制器
文件頁(yè)數(shù): 18/64頁(yè)
文件大小: 634K
代理商: 82C931
82C931
Page 10
912-3000-035
Revision: 2.1
OPTi
GD4
28
I/O-CMOS
(8mA)
Game Port 1 Data Line 4
An External pull-up is required on this pin.
VOLDN
Volume Down:
Interface for push-button volume control. Used to
decrease volume. VOLDN on pin 28 is only available in rev. 1.1 silicon.
GD3
26
I/O-CMOS
(8mA)
Game Port 2 Data Line 3
SCLK
Serial Audio Clock
GD2
25
I/O-CMOS
(8mA)
Game Port 2 Data Line 2
FSYNC
Serial Audio Synchronization
GD1
24
I/O-CMOS
(8mA)
Game Port 1 Data Line 1
GD0
23
I/O-CMOS
(8mA)
Game Port 1 Data Line 0
3.2.1.5
Codec/Mixer Interface Signals
Signal Name
Pin No.
Signal/Pin
Type (Drive)
Signal Description
MICL
97
I-Analog
Microphone Input Left
MICR
98
I-Analog
Microphone Input Right
LINEL
96
I-Analog
Line Input Left
LINER
99
I-Analog
Line Input Right
CDL
95
I-Analog
CD Input Left
CDR
100
I-Analog
CD Input Right
AUXL
94
I-Analog
Auxiliary Input Left
AUXR
1
I-Analog
Auxiliary Input Right
OUTL
92
O-Analog
Output Left
OUTR
93
O-Analog
Output Right
MIXOUTL
91
O-Analog
Mixer Output Left
MIXOUTR
89
O-Analog
Mixer Output Right
CINL
90
I-Analog
ADC Filter Pin Left
CINR
88
I-Analog
ADC Filter Pin Right
VREF1
2
O-Analog
Analog Common:
Normally connected to AGND with a 0.1μF ceramic
capacitor in parallel with a 10μF electrolytic capacitor.
VREF2
86
O-Analog
Voltage Reference:
Nominal 1.85V reference available externally. Not
meant for current sourcing or sinking. Normally connected to AGND
with a 0.1μF ceramic capacitor in parallel with a 10μF electrolytic
capacitor.
3.2.1.4
Game Port and Serial Audio Interface Signals
Signal Name
Pin No.
Signal/Pin
Type (Drive)
Signal Description
931-MB Mode Signal Descriptions (cont.)
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