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): 9/64頁
文件大?。?/td> 634K
代理商: 82C931
82C931
912-3000-035
Revision: 2.1
Page 1
Plug and Play Integrated Audio Controller
OPTi
1.0
Features
Integrated sound controller compatible with:
- Sound Blaster Pro
- Ad Lib
- Microsoft
Windows Sound System
Microsoft PC-97 compliant
Built-in high-quality 22 voice, 52 operator, OPTiFM
music synthesizer with enhanced bass
Built-in 7-channel mixer: five stereo, two mono
Built-in 16-bit sigma-delta stereo codec
ISA Plug and Play Specification 1.0a compatible, supports
a maximum of six logical devices:
- Sound Blaster Pro, Windows Sound System,
FM synthesis
- MPU-401 MIDI interface
- CD-ROM interface
- Joystick/game port
- Modem interface
- 82C931 control
Supports external serial EEPROM (optional)
External modem chipset interface
Full duplex operation: record and playback simultaneously
using two 8- or 16-bit DMA channels
Supports IMA ADPCM, μ-law, A-law decompression
8- or 16-bit stereo sound data up to 48KHz stereo
Supports 16-bit Type F DMA playback, accelerates tele-
phony-audio applications
Digital joystick interface support, improves responsiveness
(Microsoft SideWinder)
I
2
S serial interface supports Zoom Video Port, wavetable
controller and modem chipset
DirectSound interface support
Power-down modes
Silence mode to turn-off all audio functions
Hardware and software volume control via push-button
interface
100-pin PQFP (Plastic Quad Flat Pack)
100-pin TQFP (Thin Quad Flat Pack)
Figure 1-1
System Block Diagram
I
A
CD Audio
Line-In
Speaker
Line-Out
OPTi
82C931
IDE CD-ROM Interface
Joystick Port, MIDI Port
Modem Interface
Microphone
I
2
S Serial Audio Port
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