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WDC 65C816

Microprocessor
The W65C816S is a 16-bit microprocessor developed and sold by the Western Design Center. Introduced in 1983, the W65C816S is an enhanced version of the WDC 65C02 8-bit MPU, itself a CMOS enhancement of the venerable MOS Technology 6502 NMOS MPU. Wikipedia
Instruction set: 6502
Address width: 24 bits
Common manufacturer(s): Western Design Center, others
Data width: 8 (external); 16 (internal)
Number of instructions: 92
Package(s): 40-pin DIP; 44-pin PLCC, others
Predecessor(s): MOS 6502; WDC 65C02