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参数资料
| 型号： | YMF740C |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DS-1L |
| 中文描述： | 的DS - 1公升 |
| 文件页数： | 1/44页 |
| 文件大小： | 224K |
| 代理商： | YMF740C |
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YMF740C
DS-1L
YAMAHA CORPORATION
September 21, 1998
YMF740C CATALOG
CATALOG No.:LSI-4MF740C20
January 14, 1999
OVERVIEW
YMF740C (DS-1L) is a high performance audio controller for the PCI Bus. DS-1L consists of two separated
functional blocks. One is the PCI Audio block and the other is the Legacy Audio block. PCI Audio block
allows Software Driver to handle maximum of 41 concurrent audio streams with the Bus Master DMA engine.
The PCI Audio Engine converts the sampling rate of each audio stream and the streams are mixed without
utilizing the CPU or causing system latency. By using the Software Driver from YAMAHA, PCI Audio
provides 32-voice XG wavetable synthesizer with Reverb and variation. It also supports DirectSound hardware
accelerator, Downloadable Sound (DLS) and DirectMusic accelerator.
Legacy Audio block supports FM Synthesizer, Sound Blaster Pro, MPU401 UART mode and Joystick
function in order to provide hardware compatibility for numerous PC games on real DOS without any software
driver. To achieve legacy DMAC compatibility on the PCI, DS-1L supports PC/PCI protocols.
DS-1L supports the connection to AC’97 which provides high quality DAC, ADC and analog mixing.
FEATURES
PCI 2.1 Compliant
PC’97/PC’98 specification Compliant
PCI Bus Power Management rev. 1.0 Compliant
(Support D0, D2 and D3 state)
PCI Bus Master for PCI Audio
True Full Duplex Playback and Capture with
different Sampling Rate
Maximum 32-voice XG capital Wavetable
Synthesizer including GM compatibility
DirectSound Hardware Acceleration
DirectMusic Hardware Acceleration
Downloadable Sound (DLS) level-1
Supports PC/PCI DMA for legacy DMAC (8237)
emulation
Legacy Audio compatibility
FM Synthesizer
Hardware Sound Blaster Pro compatibility
MPU401 UART mode MIDI interface
Joystick
Supports AC’97 Interface (AC-Link)
Hardware Volume Control
Single Crystal operation (24.576MHz)
5V Power supply for I/O. 3.3V Power supply for
Internal core logic
144-pin LQFP (YMF740C-V)
XG logo is a trademark of YAMAHA Corporation.
GENERAL MIDI logo is a trademark of Association of Musical Electronics Industry (AMEI),
and indicates GM system level 1 Compliant.
相关PDF资料 |
PDF描述 |
|---|---|
| YMF743-S | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| YMF743 | AC97 Revsion2.1 Audio CODEC with Digital Audio I/F(AC97 2.1版音频编解码器（带数字音频接口）) |
| YMF744B | DS-1S |
| YMF752 | AC97 Rev2.1 Audio CODEC with SRC |
| YMF752-S | AC97 Rev2.1 Audio CODEC with SRC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YMF740CV | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| YMF743 | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F |
| YMF743-S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Consumer IC |
| YMF744B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DS-1S |
| YMF744BR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
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