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Features
• 80Cw3w1wC.DoamtaSphaetiebt4leU.com • 8031 pin and instruction compatible • Four 8-bit I/O ports • Two 16-bit timer/counters • 128 bytes scratchpad RAM • High-Speed Architecture • 40 MHz @ 5V, 30MHz @ 3V • X2 Speed Improvement capability (6 clocks/machine cycle) • 30 MHz @ 5V, 20 MHz @ 3V (Equivalent to 60 MHz @ 5V, 40 MHz @ 3V) • Dual Data Pointer • Asynchronous port reset • Interrupt Structure with • 5 Interrupt sources, • 4 priority level interrupt system • Full duplex Enhanced UART • Framing error detection • Automatic address recognition • Power Control modes • Idle mode • Power-down mode • Power-off Flag • Once mode (On-chip Emulation) • Power supply: 4.5-5.5V, 2.7-5.