1 INTRODUCTION
The SNC88340 is a single chip 24-channel MIDI compatible wave-table/voice
synthesizer. Equipped with a powerful 8-bit controller and 24 I/O pins, it provides a
low-cost MIDI sound system solution. It’s low power consumption and operating range
makes it ideal for all battery operated devices using MIDI or voice synthesis.
2 FEATURES
? Single Power Supply 2.4V – 5.5V
? Powerful Built-in 8-bit Controller
? Three 8-bit I/O ports
? 640*8 bits RAM
? Maximum 64k program ROM
? 1M*12 shared ROM for program and環 芯 voice data
? Readable ROM code data
? 24-voice Polyphony through a high-quality speech synthesizer
? Mark Event Supported in both Wave and Melody.
? Individual adaptive playing speed from 4k-64kHz for all 24 channels
? Automatic repetition for each channel
? Volume modulation controlled by embedded multiplier
? Two digital mixers with saturation control
? Two built-in 10-bit current mode DA converters
? Analog Direct Drive speaker circuit.
? System clock: 16.384M Hz (RC-type or Crystal Option)
? 1 MIPS CPU power free to user
