ES1946

ES1946 Solo-1E™ PCI AudioDrive® Notebook Solution Data Sheet DESCRIPTION The ES1946 Solo-1E™ 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 ES1946 complies with the Microsoft® PC 97 / PC 98 / PC 99 specifications and meets WHQL audio requirements. The ES1946 forms a complete audio subsystem on a single chip for notebook platforms. The ES1946 includes an I2S Zoom Video port interface which allows playback of MPEG audio using the 16-bit stereo music DAC; thus reducing the total audio solution chip count. The ES1946 incorporates a microcontroller, ESFM™ music synthesizer, 16-bit stereo wave ADC and DAC, 16-bit stereo music DAC, MPU-401 UART mode serial port, I2S Zoom Video port, serial port interface to external wavetable music synthesizer, dual game port, hardware master volume control, DMA control logic with FIFO, and PCI bus...