Datasheet Details
| Part number | AT87C51RD2 |
|---|---|
| Manufacturer | Atmel (now Microchip Technology) |
| File Size | 788.18 KB |
| Description | (AT8xC51Rx2) High Performance 8-bit Microcontroller |
| Datasheet |
 AT87C51RD2 Datasheet
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General Description
Atmel TS8xC51Rx2 is a high performance CMOS ROM, OTP, EPROM and ROMless versions of the 80C51 CMOS single chip 8-bit microcontroller.
Key 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 by.