SPC21A1 Datasheet (Sunplus) - 20KB SOUND CONTROLLER

SPC21A1, 20KB SOUND CONTROLLER

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

SPC21A1 Features

* 8-bit microprocessor Provides 20K-byte ROM for program and audio data 64-byte working SRAM Software-based audio processing Wide operating voltage: 2.4V

* 3.4V @ 4.0MHz 3.6V

* 5.5V @ 6.0MHz www.DataSheet4U.com BLOCK DIAGRAM 8-bit microprocessor 20K-byte ROM Two Timers TimeBase INT