Western Design Center
The Western Design Center (WDC), located in Mesa, Arizona, United States, is a company which develops intellectual property for, and licenses manufacture of, MOS Technology 65xx based microprocessors, microcontrollers (µCs), and related support devices. WDC was founded in 1978 by a former MOS Technology employee and coholder of the MOS Technology 6502 patent, Bill Mensch.
|Type||Privately held company|
|Founded||1978Mesa, Arizona, United Statesin|
|Products||Microprocessors, microcontrollers, support devices|
Beyond discrete devices, WDC offers device designs in the form of semiconductor intellectual property cores (IP cores) to use inside other chips such as application-specific integrated circuit (ASICs), and provides ASIC and embedded systems consulting services revolving around their processor designs. WDC also produces C compilers, assembler/linker packages, simulators, development–evaluation printed circuit boards, and in-circuit emulators for their processors.
|W65C02S||8-bit microprocessor||Enhanced static core CMOS version of the MOS Technology 6502 microprocessor|
|W65C816S||16-bit microprocessor||Extended version of the W65C02S, featuring larger instruction set, selectable register sizes and 24-bit memory addressing|
|W65C134S||8-bit microcontroller||Microcontroller with W65C02S core and mask-programmable ROM|
|W65C265S||16-bit microcontroller||Microcontroller with W65C816S core and mask-programmable ROM|
|W65C21N||I/O device||Drop-in replacement for MOS Technology 6520 & Motorola 6820/6821 peripheral interface adapters (PIA)|
|W65C21S||I/O device||Lower power, higher performance version of the W65C21N PIA|
|W65C22N||I/O device||Drop-in replacement for the MOS Technology 6522 versatile interface adapter (VIA)|
|W65C22S||I/O device||Modified version of the MOS Technology 6522 VIA, with totem-pole IRQ output|
|W65C51N||I/O device||Drop-in replacement for the MOS Technology 6551 asynchronous communications interface adapter (ACIA)|