Datasheet Details
- Part number
- AT89C51
- Manufacturer
- ATMEL
- File Size
- 131.16 KB
- Datasheet
- AT89C51-ATMEL.pdf
- Description
- 8-Bit Microcontroller
AT89C51 Description
.
The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash programmable and erasable read only memory (PEROM).
AT89C51 Features
* Compatible with MCS-51™ Products
* 4K Bytes of In-System Reprogrammable Flash Memory
* Endurance: 1,000 Write/Erase Cycles
* Fully Static Operation: 0 Hz to 24 MHz
* Three-level Program Memory Lock
* 128 x 8-bit Internal RAM
* 32 Programmable
AT89C51 Applications
* (WR)P3.6 12 (RD) P3.7 13
XTAL2 14 XTAL1 15
GND 16 GND 17 (A8) P2.0 18 (A9) P2.1 19 (A10) P2.2 20 (A11) P2.3 21 (A12) P2.4 22
44 43 42 41 40 39 38 37 36 35 34
P1.4 P1.3 P1.2 P1.1 (T2 EX) P1.0 (T2) NC VCC P0.0 (AD0) P0.1 (AD1) P0.2 (AD2) P0.3 (AD3)
Pin Configurations
PQFP/TQFP
P1.5 P1.6 P1.7 RS
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