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