The AT89C51ED2 is a high-performance 8-bit microcontroller from Atmel, based on the industry-standard 8051 architecture. It features a large on-chip flash memory, SRAM, and a variety of peripherals, making it suitable for a wide range of embedded control applications.

Applications

• Industrial Control Systems
• Motor Control
• Consumer Electronics
• Instrumentation
• Robotics
• Automotive Electronics

Features

• 8051-Based Architecture
• 64 KB Flash Memory
• 1792 Bytes of On-Chip SRAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Full Duplex UART
• Watchdog Timer
• Power-Down Modes
• Extended Temperature Range

Benefits

• High Performance: Based on the proven 8051 architecture with enhanced features.
• Large Memory Capacity: 64KB Flash and 1792 Bytes SRAM provide ample space for code and data storage.
• Flexible I/O: 32 programmable I/O lines for interfacing with external devices.
• Versatile Peripherals: Timers, UART, and watchdog timer enhance system functionality.
• Low Power Consumption: Power-down modes minimize energy usage in battery-powered applications.
• Robust Design: Extended temperature range ensures reliable operation in harsh environments.

Additional Details

The AT89C51ED2 microcontroller operates at a maximum clock frequency of 33 MHz. It includes a full-duplex UART for serial communication and three 16-bit timer/counters for timing and counting applications. The watchdog timer ensures system reliability by resetting the microcontroller in case of a software fault. The device also offers various power-down modes to minimize power consumption in battery-powered applications. The AT89C51ED2 is available in various package options, including PQFP and TQFP. It can operate over an extended temperature range of -40°C to +85°C, making it suitable for industrial environments. The microcontroller is programmed via the UART interface or through the JTAG interface.