參數(shù)資料
型號： 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
文件頁數(shù)： 3/64頁
文件大?。?/td> 634K
代理商： 82C931
82C931
Table of Contents
OPTi
912-3000-035
Revision: 2.1
Page iii
1.0
Features ............................................................................................................................ 1
2.0
Overview ........................................................................................................................... 3
3.0
Signal Definitions............................................................................................................. 5
3.1
3.2
Mode Selection ...................................................................................................................................5
931-MB Mode.......................................................................................................................................6
3.2.1
931-MB Mode Signal Descriptions .........................................................................................8
3.2.1.1
ISA Bus Interface Signals .......................................................................................8
3.2.1.2
MIDI Interface Signals.............................................................................................8
3.2.1.3
Configuration and External PnP EEPROM Interface Signals .................................9
3.2.1.4
Game Port and Serial Audio Interface Signals .......................................................9
3.2.1.5
Codec/Mixer Interface Signals..............................................................................10
3.2.1.6
Power and Ground Pins........................................................................................11
931-AD Mode.....................................................................................................................................12
3.3
3.3.1
931-AD Mode Signal Descriptions........................................................................................14
3.3.1.1
ISA Bus Signals ....................................................................................................14
3.3.1.2
MIDI Interface Signals...........................................................................................14
3.3.1.3
Configuration, External PnP EEPROM, and IDE CD-ROM Interface Signals.......15
3.3.1.4
Game Port and Modem Interface Signals.............................................................16
3.3.1.5
Codec/Mixer Interface Signals..............................................................................16
3.3.1.6
Serial Audio Interface Signals...............................................................................17
3.3.1.7
Power and Ground Pins........................................................................................17
4.0
Functional Description .................................................................................................. 19
4.1
4.2
Plug and Play ....................................................................................................................................19
16-Bit Codec/Mixer ...........................................................................................................................20
4.2.1
Codec ...................................................................................................................................20
4.2.2
Frequency Synthesizer ....................................................................................................................22
16-Bit Type F DMA Playback ...........................................................................................................23
Modem Interface ...............................................................................................................................23
Push Button Volume Control...........................................................................................................23
External Serial EEPROM ..................................................................................................................23
Serial Audio Interface.......................................................................................................................23
Mixer.....................................................................................................................................21
4.3
4.4
4.5
4.6
4.7
4.8
4.8.1
I2S-justified format and its variations....................................................................................23
4.8.2
Sony format..........................................................................................................................24
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