AT89C51 8051 Microcontroller

AT89C51 8051 Microcontroller — 8-Bit CMOS MCU 40-Pin

The AT89C51 is a low-power, high-performance CMOS 8-bit microcontroller from Atmel, featuring 4KB of Flash programmable and erasable read-only memory (PEROM). Fully compatible with the industry-standard MCS-51 instruction set and pinout, it is programmable with Keil uVision and other popular IDEs.

Key Features

• 4KB Flash PEROM program memory
• 128 bytes internal RAM
• 32 programmable I/O lines
• 2 Timer/Counters (16-bit)
• Full-duplex UART serial port
• 5 interrupt sources
• MCS-51 instruction set compatible
• 40-pin DIP package
• Low-power idle and power-down modes

Applications

• Embedded control and automation
• Educational 8051 projects
• Industrial monitoring systems
• Consumer electronics