Ricoh 5A22

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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.