Western Design Center
W65C134S / W65C265S MCUsWestern Design Center W65C134S 8-bit and W65C265S 16-bit Microcontrollers are designed for Hi-Rel applications in which minimum power is required. The Western Design Center W65C134S 8-bit MCUs consist of a W65C02S Static CPU, 4096 bytes of ROM, 192 bytes of RAM, two 16-bit timers, and more. WDC W655C265S MCUs include a W65C816S Static CPU, 8Kb ROM, 576 bytes of RAM, processor-defined cache under software control, and more. The innovative architecture and demonstrated high performance of WDC W65C134S and W65C256S MCUs result in system cost-effectiveness and a wide range of computational power.
W65C134S Features
- CMOS low power process
- Operating TA= -40EC to +85EC
- Single 2.8V to 5.5V power supply
- Static to 8MHz clock operation
- W65C02S compatible CPU
- 8-bit parallel processing
- Variable length stack
- True indexing capability
- Fifteen addressing modes
- Decimal or binary arithmetic
- Pipeline architecture
- Fully static CPU
- W65C816S 16-bit CPU compatible
- Single chip microcomputer
- Many power saving features
- 56 CMOS compatible I/O lines
- 4096 x 8 ROM on chip
- 192 x 8 RAM on chip
- Twenty-two priority encoded interrupts
- UART 7/8-bit w/wo odd or even parity
- 16M byte segmented address space
- 64K byte linear address space
- 4 x 16 bit timer/counters
- Bus control register for external memory
- Surface mount 68 and 80 lead packages
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W65C265S Features
- Hi-Rel low power CMOS process
- Operating TA=0ºC to +70ºC
- Single 2.8V to 5.5V power supply
- Static to 8MHz clock operation
- W65C816S compatible CPU
- 8- and 16-bit parallel processing
- Variable length stack
- True indexing capability
- Twenty-four address modes
- Decimal or binary arithmetic
- Pipeline architecture
- Fully static CPU
- Single chip microcomputer
- 2 Tone Generators
- 64 CMOS compatible I/O lines
- 8K x 8 ROM on-chip
- 576 x 8 RAM on-chip
- 16Mbyte linear address space
- Twenty-nine priority encoded interrupts
- Four UARTS
- Time of Day (ToD) clock features
- 8 x 16 bit timer/counters
- Bus Control Register
- Many bus operating features and modes
- 8 Programmable chip select outputs
- Low cost surface mount 84 and 100 lead packages
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