YMF724F

更新时间： 2024-11-27 22:09:23

品牌	Logo	应用领域
雅马哈 - YAMAHA		控制器 PC
页数	文件大小	规格书
50页	267K
描述
high performance audio controller for the PCI Bus

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YMF724F 数据手册

YMF724F

DS-1

OVERVIEW

YMF724F (DS-1) is a high performance audio controller for the PCI Bus. DS-1 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 73 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 64-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-1 supports both PC/PCI and Distributed DMA

protocols. DS-1 also supports Serialized IRQ for legacy IRQ compatibility.

DS-1 supports the connection to AC’97 which provides high quality DAC, ADC and analog mixing.

In addition, it supports consumer IEC958, Audio Digital Interface (SPDIF) output, for high-quality, external

audio amplification.

FEATURES

• PCI 2.1 Compliant

• Supports PC/PCI and Distributed DMA for legacy

DMAC (8237) emulation

• 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

• Supports Serialized IRQ

• Supports YAMAHA AC-3 device (YMF727 :

AC3F2) interface to enable AC-3 decode

• Supports Consumer IEC958 Output (SPDIF) port

• Supports AC’97 Interface (AC-Link)

• Hardware Volume Control

Maximum 64-voice XG capital Wavetable

Synthesizer including GM compatibility

DirectSound Hardware Acceleration

DirectMusic Hardware Acceleration

Downloadable Sound (DLS) level-1

• Legacy Audio compatibility

• EEPROM Interface

• Single Crystal operation (24.576MHz)

• 5V Power supply for I/O. 3.3V Power supply for

Internal core logic

• 144-pin LQFP (YMF724F-V)

FM Synthesizer

Hardware Sound Blaster Pro compatibility

MPU401 UART mode MIDI interface

Joystick

CORPORATION

YAMAHA

YMF724F CATALOG

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January 14, 1999

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与YMF724F相关器件

型号	品牌	获取价格	描述	数据表
YMF724F-V	YAMAHA	获取价格	high performance audio controller for the PCI Bus
YMF740C	ETC	获取价格	DS-1L
YMF740CV	ETC	获取价格	Industrial Control IC
YMF743	YAMAHA	获取价格	AC’97 Revsion2.1 Audio CODEC with Digital Aud
YMF743-S	ETC	获取价格	Consumer IC
YMF744B	ETC	获取价格	DS-1S
YMF744BR	ETC	获取价格	Industrial Control IC
YMF744BV	YAMAHA	获取价格	Micro Peripheral IC,
YMF752	YAMAHA	获取价格	AC97 Rev2.1 Audio CODEC with SRC
YMF752-S	YAMAHA	获取价格	AC97 Rev2.1 Audio CODEC with SRC