Western Design Center
The Western Design Center (WDC), located in Mesa, Arizona, USA, is a company developing and manufacturing MOS 65xx-based microprocessors, microcontrollers (µCs), and related support devices. WDC was founded in 1978 by co-holder of the MOS Technology 6502 patent, Bill Mensch, himself a former MOS Technology employee.
In addition to the discrete devices, WDC offers device designs in the form of IP cores to be used inside other chips (such as 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 boards, and in-circuit emulators for their processors.
Hardware products
Devices
| Name | Type | Comments |
|---|---|---|
| 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) |
Other
- The Mensch Computer – A W65C265 and W65C22-based hobbyist experimental computer named after company founder Bill Mensch.
External links
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