ES1878 - 16-bit stereo sound and FM music synthesis

The ES1878 AudioDrive® is a mixed-signal single-chip solution that adds 16-bit stereo sound and FM music synthesis to notebook computers.

• Subtractive Decode and Positive Decode Modes. The MPU-401 serial port is for interfacing with an external MIDI device. The digital dual game port supports two joysticks with hardware timing which uses less CPU overhead and improves system performance. A DSP serial interface in the ES1878 allows an external DSP to take over ADC or DAC resources. A wavetable serial port allows the ES1878 to interface with either the ES689 or ES690 wavetables. I/O address, DMA, and interrupt selection can be contro.