Part Number
|
AT83C51RD2 |
Manufacturer
|
ATMEL Corporation |
Description
|
High Performance 8-bit Microcontroller |
Published
|
Apr 27, 2007 |
Detailed Description
|
1. Features
• 80C52 Compatible
– 8051 pin and instruction compatible
– Four 8-bit I/O ports
– Three 16-bit timer/counter...
|
Datasheet
|
AT83C51RD2
|
Overview
1.
Features
• 80C52 Compatible
– 8051 pin and instruction compatible
– 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,
– Compare / Capture,
– Pulse Width Modulator,
– Watchdog Timer Capabilities • Hardware Watchdog Timer (One-time enabled with Reset-Out) • 2...
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