Ricoh 5A22
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The Ricoh 5A22 is an 8/16-bit microprocessor produced by Ricoh for the Super Nintendo Entertainment System video game console. It is based on the 8/16-bit WDC 65C816, which was developed between 1982
Ricoh 5A22-02
RICOH Company Head Office Building 2007 1
MOS Technology 6502
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The MOS Technology 6502 is an 8-bit microprocessor that was designed by a small team led by Chuck Peddle for MOS Technology and was launched in September 1975. The design team had formerly worked at M
Ricoh 5A22
…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. In addition to the 65C816 CPU core, the 5A22 contains support hardware, including…
6502 processor in a DIP-40 plastic package. The four-digit date code indicates it was made in the 45th week (November 4–10) of 1985.
Motorola 6800 demonstration board built by Chuck Peddle and John Buchanan in 1974
A 1973 MOS Technology advertisement highlighting their custom integrated circuit capabilities
MOS Technology MCS6501, in white ceramic package, made in late August 1975