AT89C2051-24PU

The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 2K bytes of Flash programmable and erasable read-only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C2051 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications.
Data sheet
 
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
UART/USART
Peripherals
LED
Number of I/O
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
EEPROM Size
-
RAM Size
128 x 8
Voltage - Supply (Vcc/Vdd)
4 V ~ 6 V
Data Converters
-
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Supplier Device Package
20-PDIP