Ricoh 5A22
| Ricoh 5A22-02 | |
| General information | |
|---|---|
| Designed by | Ricoh | 
| Performance | |
| Max. CPU clock rate | 1.79 MHz to 3.58 MHz | 
| Data width | 8-bit | 
| Address width | 24-bit | 
The Ricoh 5A22 is an 8/16-bit microprocessor produced by Ricoh for the Super Nintendo Entertainment System (SNES) video game console. It is based on the 8/16-bit WDC 65C816, which was developed between 1982 and 1984 for the Apple IIGS personal computer. It has 92 instructions, an 8-bit data bus, a 16-bit accumulator, and a 24-bit address bus. The CPU runs between 1.79 MHz and 3.58 MHz, and uses an extended MOS Technology 6502 instruction set.