Manufacturer: Microchip Technology (Atmel Corporation was acquired by Microchip Technology in 2016)
Part Status: Active
Core Processor: 8051
Core Size: 8-Bit
Connectivity: SPI, UART/USART
Number of I/O: 32
Program Memory Size: 32KB (32K x 8)
Program Memory Type: FLASH
EEPROM Size: -
RAM Size: 512 x 8
Voltage Supply (Vcc/Vdd): 4 V ~ 5.5 V
Data Converters: -
Oscillator Type: Internal
Operating Temperature: -40°C ~ 85°C (TA)
Package / Case: 40-DIP (0.600", 15.24mm)
Supplier Device Package: 40-PDIL
Base Part Number: AT89C51RC
AT89C51 is a variant of original intel 8051 microcontroller manufactured by Microchip Technology. Low-power, high-performance CMOS 8-bit microcontroller with 32KB of flash programmable ROM and 512 bytes of RAM.
It uses Microchip high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set and pinout. On-chip flash allows the program memory to be user programmed by a conventional nonvolatile memory programmer.
This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.