Datasheet Details
- Part number
- SPC21A1
- Manufacturer
- Sunplus
- File Size
- 164.98 KB
- Datasheet
- SPC21A1_Sunplus.pdf
- Description
- 20KB SOUND CONTROLLER
SPC21A1 Description
SPC21A1 20KB SOUND CONTROLLER GENERAL .
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.
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
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BLOCK DIAGRAM
8-bit microprocessor
20K-byte ROM
Two Timers TimeBase INT
SPC21A1 Applications
* that require very low stand-by current. To enter standby mode, the Wake-Up Register should be enabled and then stop the CPU In such a mode,
clock by writing the STOP CLOCK Register. The CPU will then go to the stand-by mode. RAM and I/Os will remain in their previous states until being awakened. so
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