Professional IC Distribution & Technical Solutions

The AT89C51RE2-SLSUM is a microcontroller from ATMEL (now part of Microchip Technology). Below are its key specifications, descriptions, and features:

Specifications:

• Core: 8-bit 8051 architecture
• Clock Speed: Up to 60 MHz
• Flash Memory: 64 KB (In-System Programmable)
• RAM: 2 KB
• EEPROM: 2 KB (Data Memory)
• Operating Voltage: 4.0V to 5.5V
• I/O Pins: 32
• Timers: Three 16-bit timers/counters
• UART: Full-duplex serial port
• Interrupt Sources: 8
• Watchdog Timer: Yes
• Power Saving Modes: Idle and Power-down modes
• Package: PLCC (Plastic Leaded Chip Carrier)

Descriptions:

• The AT89C51RE2-SLSUM is a high-performance CMOS variant of the 8051 microcontroller.
• It features In-System Programming (ISP) capability, allowing firmware updates without removing the chip.
• Includes 2 KB of EEPROM for non-volatile data storage.
• Supports low-power operation with Idle and Power-down modes.
• Designed for industrial and embedded applications requiring high-speed processing and reliability.

Features:

• High-Speed 8051 Core (60 MHz max)
• 64 KB Flash Memory with 100,000 write/erase cycles
• 2 KB EEPROM for data retention
• Three 16-bit Timers (Timer 0, Timer 1, and Timer 2)
• Full-Duplex UART for serial communication
• Programmable Watchdog Timer for system reliability
• 32 Programmable I/O Lines
• On-Chip Oscillator with crystal support
• Wide Operating Voltage Range (4.0V–5.5V)
• Industrial Temperature Range (-40°C to +85°C)

This microcontroller is suitable for applications such as industrial control, automation, consumer electronics, and embedded systems.