Atmel AT89C51ED2-RLTUM, 8bit 8051 Microcontroller, 40MHz, 64 kB, 2048 B Flash, 44-Pin VQFP

Enrgtech Part No: ET13936929
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Manufacturer Part No:
AT89C51ED2-RLTUM
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Manufacturer: Atmel

AT89C51ED2-RLTUM Atmel , 8bit 8051 Microcontroller, 40MHz, 64 kB, 2048 B Flash, 44-Pin VQFP

Product Information

Dimensions:

10.1 x 10.1 x 1.55mm

Width:

10.1mm

Program Memory Size:

2.048 kB, 64 kB

Number of PWM Units:

RAM Size:

1.792 kB, 256 B

Number of Timers:

Data Bus Width:

8bit

Instruction Set Architecture:

CISC

Program Memory Type:

Flash

Package Type:

VQFP

Maximum Frequency:

40MHz

Maximum Operating Temperature:

+85 °C

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The Atmel AT89C51ED2-RLTUM is a high-performance, 8-bit CMOS microcontroller belonging to the legendary 8051 architecture family, manufactured by Microchip (formerly Atmel). This versatile chip features 64KB of Flash memory and 2KB of EEPROM, providing ample storage for complex firmware and non-volatile data. With its enhanced X2 mode core, it delivers improved performance while maintaining full compatibility with standard 8051 software, making it a reliable solution for upgrading legacy systems or developing new embedded applications.

Reasons You Should Use the Product

This Atmel AT89C51ED2-RLTUM microcontroller combines 8051 familiarity with modern features like In-System Programming and high-speed execution for efficient embedded development projects.

Large 64KB Flash memory supports sophisticated code requirements.
In-System Programming (ISP) allows for easy firmware updates.
Dual data pointers accelerate memory access and processing speed.

Core Performance Features & Key Uses

This MCU excels in control-oriented applications requiring stable 8-bit processing and extensive I/O capabilities. It is widely employed in industrial automation, smart metering, and automotive body electronics, where its robust architecture and integrated peripherals like timers and UARTs provide reliable real-time management of external components.

Technical Specifications
Core Architecture: 8-bit 8051
Flash Memory: 64 KB
Data EEPROM: 2 KB
Clock Frequency: Up to 60 MHz (in X2 mode)
Package Type: VQFP-44.
Suitable Environments
Industrial control systems
Legacy system modernisation
Automotive electronic control units (ECUs)
Smart energy meters and monitoring devices.

Datasheet(Technical Reference)

ESD Control Selection Guide V1(Technical Reference)

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