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ES1938 - PCI Audio Drive Solution Product Brief

General Description

The ES1938 PCI AudioDrive® solution implements a single-chip PCI audio solution, providing high-quality audio processing while maintaining full legacy DOS game compatibility.

Key Features

  • Single, high-performance, mixed-signal, 16-bit stereo VLSI chip.
  • PCI parallel bus interface, revision 2.2.
  • Full native DOS games compatibility, via three technologies:.
  • TDMA.
  • DDMA.
  • PC/PCI High-quality ESFM music synthesizer.
  • Dynamic range (SNR) over 80 dB.
  • Integrated Spatializer 3D VBX stereo audio effects processor provided by Desper Products, Inc. , a subsidiary of Spatializer Audio La.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ESS Technology, Inc. DESCRIPTION The ES1938 PCI AudioDrive® solution implements a single-chip PCI audio solution, providing high-quality audio processing while maintaining full legacy DOS game compatibility. With a dynamic range over 80 dB, the ES1938 complies with the Microsoft® PC 98 / PC 99 specifications and meets WHQL audio requirements. The ES1938 forms a complete audio subsystem on a single chip for motherboard platforms. The ES1938 incorporates a microcontroller, ESFMTM music synthesizer, 16-bit stereo wave ADC and DAC, 16-bit stereo music DAC, MPU-401 UART mode serial port, dual game port, hardware master volume control, a serial port interface to external wavetable music synthesizer, DMA control logic with FIFO, and PCI bus interface logic.