MOS Technology 6502: Difference between revisions

no edit summary
No edit summary
No edit summary
 
Line 9: Line 9:
}} introduced in 1975 that was originally developed by a team led by the engineer Chuck Peddle at MOS Technology (later purchased by Commodore).
}} introduced in 1975 that was originally developed by a team led by the engineer Chuck Peddle at MOS Technology (later purchased by Commodore).


It was second-sourced by other companies such as California Micro Devices (GTE Microcircuits), Rockwell, and Synertek.  There are several less popular variants, including the 28-pin 6503, [[Rockwell R6504|650], 6505, 6506, and 6507 with fewer address pins (4K or 8K address space) and various control signal options.
It was second-sourced by other companies such as California Micro Devices (GTE Microcircuits), Rockwell, and Synertek.  There are several less popular variants, including the 28-pin 6503, [[Rockwell R6504|6504]], 6505, 6506, and 6507 with fewer address pins (4K or 8K address space) and various control signal options.


Western Design Center (WDC) first developed a CMOS version, which is still in production as of 2019.  In addition, several implementations (commercial as well as free) are available to synthesize the core into FPGA designs.  
Western Design Center (WDC) first developed a CMOS version, which is still in production as of 2019.  In addition, several implementations (commercial as well as free) are available to synthesize the core into FPGA designs.