OVERVIEW

YMF754 (DS-1E) is a high performance audio controller for the PCI Bus. DS-1E consists of two separated functional blocks. One is the PCI Audio block and the other is the Legacy Audio block.

PCI Audio block provides 64-voice XG wavetable synthesizer with reverb and variation by using the software driver from YAMAHA. It also supports DirectSound hardware accelerator, Downloadable Sound (DLS) and DirectMusic accelerator.

FEATURES

? PCI 2.2 Compliant

? PC98 / PC99 specification Compliant

? PCI Bus Power Management rev. 1.0 Compliant (Support D0, D2 and D3 state)

? Supports clock run

? PCI Bus Master for PCI Audio

True Full Duplex Playback and Capture with different Sampling Rate

Maximum 64-voice XG capital Wavetable

Synthesizer including GM compatibility

DirectSound Hardware Acceleration

DirectMusic Hardware Acceleration

Downloadable Sound (DLS) level-1

? Legacy Audio compatibility

FM Synthesizer

Hardware Sound Blaster Pro compatibility

MPU401 UART mode MIDI interface

Joystick

? Supports PC/PCI and Distributed DMA for legacy DMAC (8237) emulation

? Supports Serialized IRQ

? Supports I2S serial input for Zoomed Video Port

? Supports Consumer IEC958 Port (SPDIF In/Out)

? Supports direct recording function for SPDIF In

? Capability for using SPDIF In and Zoomed Video Port at the same time.

? Supports AC’97 Interface (AC-Link) Revision 2.1

? AC’97 Digital Docking

? Supports 4-Channel Speaker

? Hardware Volume Control

? EEPROM Interface

? Single Crystal operation (24.576MHz)

? Power supply: 3.3V for I/O (5V tolerant), 2.5V for Internal core logic

? 128-pin LQFP YMF754-V : 0.5mm pin pitch YMF754-R : 0.4mm pin pitch