very low cost voice and melody synthesizer with 4-bits CPU

General Description The APExx12 series are very low cost voice and melody synthesizer with 4-bits CPU. They have various features including 4-bits ALU, ROM, RAM, I/O ports, timers, clock generator, voice and melody synthesizer, and PWM (Direct drive) or D/A current outputs, etc. The audio synthes

文件：242.61 Kbytes 页数：6 Pages

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