|Working Voltage||Max. CPU Speed (MHz)||ROM (Byte)||RAM (Byte)||I/O||Audio Output (DAC)||CPU CLK OSC. (ROSC)||Data in Amplifier||SIO*||LVR|
12KB SOUND CONTROLLER
The GPRC12A, a two-channel speech/melody synthesizer, equips an 8-bit CMOS microprocessor with 69 instructions, 12K-byte OTP-EPROM for speech and melody data (speech compressed by a 4-bit ADPCM with approx. three seconds speech duration @ 6.0KHz sampling rate), 64-byte working SRAM Other primary features include two Timer/Counters, 8 Software Selectable I/Os, and one 8-bit current D/A output. In audio processing, melody and speech can be mixed into one output. It operates at a wide voltage range of 2.4V - 5.5V with a Low Voltage Reset function that automatically resets CPU when operating voltage is less than 2.2V. Plus, a Clock Stop mode is built in for power savings. The unique power saving mode saves the RAM contents, but freezes the oscillator to stop executing other functions. The maximum CPU frequency can run up to 6.0MHz and the instruction cycle is two clock cycles (min.) ~ six clock cycles (max.). The GPRC12A loads, not only the latest technology, but also the full commitment and technical support of Generalplus.