• Part: AT87C51RD2
  • Description: (AT8xC51Rx2) High Performance 8-bit Microcontroller
  • Manufacturer: Atmel
  • Size: 788.18 KB
Download AT87C51RD2 Datasheet PDF
AT87C51RD2 page 2
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Datasheet Summary

1. Features - 80C52 patible - 8051 pin and instruction patible - Four 8-bit I/O ports - Three 16-bit timer/counters - 256 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 On-chip ROM/EPROM (16K-bytes, 32K-bytes, 64K-bytes) On-chip eXpanded RAM (XRAM) (256 or 768 bytes) Programmable Clock Out and Up/Down Timer/Counter 2 Programmable Counter Array with - High Speed Output, - pare / Capture, - Pulse Width Modulator, - Watchdog Timer Capabilities Hardware Watchdog Timer (One-time enabled with Reset-Out) 2 extra 8-bit...