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SPC21A1

Sunplus
Part Number SPC21A1
Manufacturer Sunplus
Description 20KB SOUND CONTROLLER
Published Jan 31, 2010
Detailed Description SPC21A1 20KB SOUND CONTROLLER GENERAL DESCRIPTION The SPC21A1 is a CPU based two-channel speech/melody synthesizer inclu...
Datasheet PDF File SPC21A1 PDF File

SPC21A1
SPC21A1

Overview
SPC21A1 20KB SOUND CONTROLLER GENERAL DESCRIPTION The SPC21A1 is a CPU based two-channel speech/melody synthesizer including CMOS 8-bit microprocessor with 69 instructions, 20K-byte ROM for speech and melody data (Speech is compressed by a 4-bit ADPCM with approx.
6 sec speech duration @ 7KHz sampling rate) and 64-byte working SRAM.
It includes two Timer/Counters, 10 Software Selectable I/Os, and one 8-bit current D/A output.
For audio processing, melody and speech can be mixed into one output.
It operates over a wide voltage range of 2.
4V - 5.
5V and includes Low Voltage Reset function.
The Low Voltage Reset automatically resets when the working voltage is less than 2.
2V.
In addition, SPC2...


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