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GUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. The W65C22 includes functions for programmed control of two peripheral ports (Ports A and B). Two program controlled 8-bit bidirectional peripheral I/O ports allow direct interfacing betweenthe
ROHS AND GREEN COMPLIANCE Lead (Pb)–Free and Green Position Statement. The Western Design Center, Inc. (WDC), a pioneer in the licensing of microprocessor Intellectual Property and supplier of 65xx technology, is committed to achieving full compliance with the European Union RoHS Initiative and the Japan Green Procurement Standard Survey Initiative (JGPSSI). W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. The W65C22 includes functions for programmed control of two peripheral ports (Ports A and B). Two program controlled 8-bit bidirectional peripheral I/O ports allow direct interfacing betweenthe
ROHS AND GREEN COMPLIANCE Lead (Pb)–Free and Green Position Statement. The Western Design Center, Inc. (WDC), a pioneer in the licensing of microprocessor Intellectual Property and supplier of 65xx technology, is committed to achieving full compliance with the European Union RoHS Initiative and the Japan Green Procurement Standard Survey Initiative (JGPSSI). W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSOR Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embeddedTHE MENSCH COMPUTER
The Mensch Computer is a reference design using WDC chips. We provide a FREE, digital form of the W65C265 Develop Board in our PCB Design Kit s. For the individual who loves the legacy of the 65xx technology line of products this system displays some of the numerouspossibilities of
W65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. WDC W65C02DB DEVELOPER BOARD W65C02S 8–bit MPU, total access to all control lines, Memory Bus, Programmable I/O Bus, PC Interface, 20 I/O lines, easy oscillator change, 32K SRAM, 32K EPROM, W65C22S Versatile Interface Adapter VIA peripheral chip, on–board matrix, PLD for Memory map decoding andASIC design.
W65C51 ASYNCHRONOUS COMMUNICATIONS INTERFACE ADAPTER (ACIA) W65C51S Asynchronous Communications Interface Adapter (ACIA) Interface Signals Relationship. Features of the W65C51S. Full duplex operation with buffered receiver and transmitter. Data set/modem control functions. Internal baud rate generator with 15 programmable baud rates (50 to 19,200) Program−selectable internally or externallycontrolled
WDCTOOLS W65C02S C COMPILER/OPTIMIZER USER GUIDE The WDC C compiler is a full ANSI standard implementation. There are also a number of useful extensions to the ANSI standard that are controlled by compiler switches. W65C22 (W65C22N AND W65C22S) VERSATILE INTERFACE ADAPTER 7 1. INTRODUCTION The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. SOFTWARE DEVELOPMENT SYSTEM The Western Design Center, Inc. September 2005 Assembler/Linker v3.49 WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22S Versatile Interface Adapter (VIA) is a flexible I/O device. In addition to I/O, the W65C22S provides two programmable 16-bit Interval Timer/Counters with latches and synchronous serial interface shift register. W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
W65C22 (W65C22N AND W65C22S) VERSATILE INTERFACE ADAPTER 7 1. INTRODUCTION The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. MENSCHTM - WESTERN DESIGN CENTER October 16, 2019 MENSCH™ Datasheet Document Version 1.5 Page 9 1.6 W65C265S Internal On-Chip Memory Map AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22S Versatile Interface Adapter (VIA) is a flexible I/O device. In addition to I/O, the W65C22S provides two programmable 16-bit Interval Timer/Counters with latches and synchronous serial interface shift register. W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
W65C22 (W65C22N AND W65C22S) VERSATILE INTERFACE ADAPTER 7 1. INTRODUCTION The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. MENSCHTM - WESTERN DESIGN CENTER October 16, 2019 MENSCH™ Datasheet Document Version 1.5 Page 9 1.6 W65C265S Internal On-Chip Memory Map AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSOR Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC DISTRIBUTORS LIST 2003 - 2021 The Western Design Center, Inc. 2166 E. Brown Rd. Mesa, Arizona 85213 phone: 480 962-4545, fax: 480 835-6442 Last updated01/05/2021
W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration.W65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
THIRD PARTY HARDWARE DEVELOPMENT TOOLS WDC's Third Party Hardware Development Tools are supported by,6502 Macro Assembler & Simulator, AVOCET, Data Sync Engineering, IAR, iSYSTEM, MICETEK, Microtime, NoICE Debugger, and TechTools. W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C51 ASYNCHRONOUS COMMUNICATIONS INTERFACE ADAPTER (ACIA) W65C51S Asynchronous Communications Interface Adapter (ACIA) Interface Signals Relationship. Features of the W65C51S. Full duplex operation with buffered receiver and transmitter. Data set/modem control functions. Internal baud rate generator with 15 programmable baud rates (50 to 19,200) Program−selectable internally or externallycontrolled
MENSCHTM - WESTERN DESIGN CENTER October 16, 2019 MENSCH™ Datasheet Document Version 1.5 Page 9 1.6 W65C265S Internal On-Chip Memory Map W65C22 (W65C22N AND W65C22S) VERSATILE INTERFACE ADAPTER 7 1. INTRODUCTION The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. SOFTWARE DEVELOPMENT SYSTEM The Western Design Center, Inc. September 2005 Assembler/Linker v3.49 WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22S Versatile Interface Adapter (VIA) is a flexible I/O device. In addition to I/O, the W65C22S provides two programmable 16-bit Interval Timer/Counters with latches and synchronous serial interface shift register.W65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22S Versatile Interface Adapter (VIA) is a flexible I/O device. In addition to I/O, the W65C22S provides two programmable 16-bit Interval Timer/Counters with latches and synchronous serial interface shift register.W65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSOR Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embeddedFIND OUT ABOUT US
The Western Design Center, Inc. (WDC) Founded in 1978 by William D. Mensch, Jr., WDC has licensed its 65xx brand microprocessor Intellectual Property (IP/Cores) to the electronics industry since 1981. WDC is considered a pioneer in the design and licensing of microprocessor technology Intellectual Property (IP) cores and inspired Acorn engineers to create the wildly popular ARMxx series of HOW TO ORDER 65XX PRODUCTS The Western Design Center, Inc. has been working on the provide our customers better service related to purchasing our products. Our goal has and always will be to provide the best possible products, pricing, service and support for every level of your project.APPLICATION GUIDE
The Mensch Computer is a W65CC265S microcomputer reference design with Mensch Developer Guide.The Mensch features most of the capabilities of the W65C265S chip controlled by the built-in Mensch Monitor.The keyboard controller is a W65C134SW65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. THIRD PARTY HARDWARE DEVELOPMENT TOOLS WDC's Third Party Hardware Development Tools are supported by,6502 Macro Assembler & Simulator, AVOCET, Data Sync Engineering, IAR, iSYSTEM, MICETEK, Microtime, NoICE Debugger, and TechTools. W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C51N ASYNCHRONOUS COMMUNICATIONS INTERFACE ADAPTER (ACIA) W65C51N Asynchronous Communications Interface Adapter (ACIA) Interface Signals Relationship. Features of the W65C51N. Full duplex operation with buffered receiver and transmitter. Data set/modem control functions. Internal baud rate generator with 15 programmable baud rates (50 to 19,200) Program−selectable internally or externallycontrolled
W65C22 (W65C22N AND W65C22S) VERSATILE INTERFACE ADAPTER 7 1. INTRODUCTION The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22S Versatile Interface Adapter (VIA) is a flexible I/O device. In addition to I/O, the W65C22S provides two programmable 16-bit Interval Timer/Counters with latches and synchronous serial interface shift register.W65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSORWDC FOUNDERNEWS DIRECTORYTHIRD PARTY HARDWARE DEVELOPMENT TOOLSAPPLICATIONGUIDEPARTNERS
Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded WDC 65XX SOFTWARE DEVELOPMENT TOOLS These tools support ROMable embedded code and in-circuit debug of control and application software. WDCTools are provided for use in development of products that feature 65xx processors from WDC and its licensees. They are NOT for reverse engineering of our technology in any form and is NOT provided for development of commercial productsthat
W65C02S 8 BIT MICROPROCESSOR 5 1 INTRODUCTION The W65C02S is a low power cost sensitive 8-bit microprocessor. The W65C02S is a fully static core and the PHI2 clock can be stopped when it is in the high (logic 1) or low (logic 0)state.
W65C22 VERSATILE INTERFACE ADAPTER The W65C22S Versatile Interface Adapter (VIA) is a flexible I/O device. In addition to I/O, the W65C22S provides two programmable 16-bit Interval Timer/Counters with latches and synchronous serial interface shift register.W65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C816S 16-BIT MICROPROCESSOR The W65C816S is a low power 16-bit Microprocessor. It extends the 65xx technology family to handle 16-bit processing with a 16MB memory space while its emulation mode allows complete hardware and software compatibility with 64KB 6502 designs. W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. W65C816S 8/16 BIT MICROPROCESSOR November 09, 2018 6 2 W65C816S FUNCTIONAL DESCRIPTION The W65C816S provides the design engineer with upward software compatibility from8-bit W65C02S in
AN-002: REPLACEMENT NOTES FOR OBSOLETE VERSIONS OF 6502 8 AN-002: Replacement Notes for Obsolete Versions of 6502 8-bit Microprocessors. APPLE-1 Replacement Notes (Not Validated at WDC) For those with an Apple-1, WDC recommends the following modifications when replacing the MOS 6502 with a W65C02S6T MPU: 1.) VPB (Pin 1) - Carefully bend this pin outward before placing the chip in the socket. WESTERN DESIGN CENTER (WDC) HOME OF 65XX MICROPROCESSOR Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embeddedFIND OUT ABOUT US
The Western Design Center, Inc. (WDC) Founded in 1978 by William D. Mensch, Jr., WDC has licensed its 65xx brand microprocessor Intellectual Property (IP/Cores) to the electronics industry since 1981. WDC is considered a pioneer in the design and licensing of microprocessor technology Intellectual Property (IP) cores and inspired Acorn engineers to create the wildly popular ARMxx series of HOW TO ORDER 65XX PRODUCTS The Western Design Center, Inc. has been working on the provide our customers better service related to purchasing our products. Our goal has and always will be to provide the best possible products, pricing, service and support for every level of your project.APPLICATION GUIDE
The Mensch Computer is a W65CC265S microcomputer reference design with Mensch Developer Guide.The Mensch features most of the capabilities of the W65C265S chip controlled by the built-in Mensch Monitor.The keyboard controller is a W65C134SW65C02S 8-BIT CORE
The W65C02 Hard Core is a manually optimized full custom hard core that has been used in billions of applications. The W65C02 Hard Core has been manufactured in 3um, 2um, 1.5um, 1.2um, 0.8um, 0.6um, 0.5um and 0.35um technology. WDC's microprocessor IP has been tailored for ease of reuse. The hard core IP is in the industry standard GDSIIformat
W65C02S 8-BIT MICROPROCESSOR The W65C02S is a low power 8-bit Microprocessor utilized in a vast array of products for the Automotive, Consumer, Industrial, and Medical markets. This chip features a full external data (8-bit) and address (16-bit) bus for easy integration. THIRD PARTY HARDWARE DEVELOPMENT TOOLS WDC's Third Party Hardware Development Tools are supported by,6502 Macro Assembler & Simulator, AVOCET, Data Sync Engineering, IAR, iSYSTEM, MICETEK, Microtime, NoICE Debugger, and TechTools. W65C21 PERIPHERAL INTERFACE ADAPTER (PIA) The WDC W65C21 (W65C21N and W65C21S) is a very flexible Peripheral Interface Adapter (PIA) for use with WDC’s 65xx, 68xx, and other 8-bit microprocessor families. The W65C21 provides programmed microprocessor control of up to two peripheral devices (Port A and Port B). Peripheral device control is accomplished through two 8-bitbidirectional
W65C51N ASYNCHRONOUS COMMUNICATIONS INTERFACE ADAPTER (ACIA) W65C51N Asynchronous Communications Interface Adapter (ACIA) Interface Signals Relationship. Features of the W65C51N. Full duplex operation with buffered receiver and transmitter. Data set/modem control functions. Internal baud rate generator with 15 programmable baud rates (50 to 19,200) Program−selectable internally or externallycontrolled
W65C22 (W65C22N AND W65C22S) VERSATILE INTERFACE ADAPTER 7 1. INTRODUCTION The W65C22 (W65C22N and W65C22S) Versatile Interface Adapter (VIA) is a flexible I/O device for use with the 65xx series microprocessor family.PRODUCTS
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Please visit our Business Development Website for the latest information. The Western Design Center, Inc. (WDC) 65xx - Embedded Intelligence Technology Welcome, to The Western Design Center, Inc.'s (WDC) Technology Development website. WDC is the home of the 65xx brand CMOS microprocessors. You are invited to learn more about us, our products and our support for your 65xx brand embedded microprocessor PCB, ASIC and/or FPGA product development. "Legendary 65xx microprocessors keep on cranking!" The legendary 65xx brand microprocessors with both 8-bit and 8/16-bit ISA's keep cranking out the unit volumes in ASIC and standard microcontroller forms supplied by WDC and WDC's licensees. Annual volumes in the hundreds (100's) of millions of units keep adding in a significant way to the estimated shipped volumes of five (5) to ten (10) billion units. With 200MHz+ 8-bit W65C02S and 100MHz+ 8/16-bit W65C816S processors coming on line in ASIC and FPGA forms, we see these annual volumes continuing for a long, long time. The 65xx brand is probably the only processor family that has remained loyal to its ISA over the last 33 years. In addition it has served the widest spectrum of electronic markets through those years. For example, it has served and in some cases created markets for the PC, video game, toy, communication, industrial control, automotive, life support embedded in the human body medical devices, outside the body medical systems, engineering education systems, hobby systems, and you name it electronic market segments. I might add the 65xx has served in a highly reliable and successful way! As added food for thought, the 65xx microprocessors protect millions of lives annually within embedded heart defibrillation and pacing systems. We are quite proud of what our customers and partners have created and continue to create with the 65xx brand for the benefit ofmankind!
65xx - Yesterday, Today, and Tomorrow.-Bill Mensch
"Simple elegance is a hallmark of the WDC CMOS 65xx brand technology." The WDC 65xx system bus, as shown in the system block diagram below, is highly flexible and effective whether on PCB's with our Chips or on ASIC microcontrollers with our Cores. It is easy to use and is efficient for power, performance, and cost. The WDC 65xx synchronous control bus enables asynchronous processing events to be interfaced with a minimum of logic and therefore minimizes cost and performancedelays.
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