• AT89C51RE2-RLTUM LQFP-44
AT89C51RE2-RLTUM LQFP-44

AT89C51RE2-RLTUM

8-bit Microcontrollers - MCU C51RE2 128k FLASH 2.7V

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  • Part Number : AT89C51RE2-RLTUM

  • Package/Case : LQFP-44

  • Brands : Microchip Technology

  • Components Categories : Microcontrollers

  • Datesheet : AT89C51RE2-RLTUM DataSheet (PDF)

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Overview of AT89C51RE2-RLTUM

The AT89C51RE2-RLTUM is an 8-bit microcontroller from the AT89 series, featuring a high-performance CMOS flash version of the 8051 architecture. This microcontroller offers versatile and powerful capabilities for embedded system applications, including industrial control, automation, and IoT devices.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VSS: Ground
  • VCC: Positive Power Supply
  • RST: Reset Pin
  • PSEN: Program Store Enable
  • ALE/PROG: Address Latch Enable
  • P0-P3: Port 0 to Port 3
  • EA/VPP: External Access Enable/Programming Voltage
  • XTAL1: Crystal Input
  • XTAL2: Crystal Output
  • PSEN: Program Store Enable
  • ALE/PROG: Address Latch Enable/Programming

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT89C51RE2-RLTUM microcontroller for a visual representation.

Key Features

  • High-Performance CMOS Flash Version: Offers a high-performance CMOS flash version of the popular 8051 architecture for efficient operation.
  • Versatile Applications: Suitable for a wide range of embedded system applications, including industrial control systems and IoT devices.
  • 8-Bit Microcontroller: Features an 8-bit CPU core for handling various processing tasks in embedded systems.
  • Integrated Flash Memory: Includes integrated flash memory for program storage and easy reprogramming.
  • Rich Peripheral Set: Provides a rich set of peripherals for interfacing with external devices, such as UART, timers, and GPIOs.

Note: For detailed technical specifications, please refer to the AT89C51RE2-RLTUM datasheet.

Application

  • Embedded Systems: Ideal for embedded system applications requiring high performance and versatility.
  • Industrial Control: Suitable for industrial control systems for automation and process monitoring.
  • IoT Devices: Used in IoT devices for connectivity and smart functionality.

Functionality

The AT89C51RE2-RLTUM microcontroller is designed to provide reliable and efficient processing capabilities for a variety of embedded applications, ensuring seamless operation and control.

Usage Guide

  • Power Supply: Connect VCC (Pin 2) to the positive power supply and VSS (Pin 20) to ground.
  • Crystal Connection: Connect an external crystal oscillator to XTAL1 and XTAL2 pins for clock operation.
  • Programming: Use the EA/VPP pin for programming the flash memory when required.

Frequently Asked Questions

Q: Can the AT89C51RE2-RLTUM operate at high clock frequencies?
A: Yes, the AT89C51RE2-RLTUM can operate at high clock frequencies suitable for various applications requiring fast processing speeds.

Q: Is the AT89C51RE2-RLTUM compatible with standard 8051 development tools?
A: Yes, the AT89C51RE2-RLTUM is compatible with standard 8051 development tools and programming software for ease of development.

Equivalent

For similar functionalities, consider these alternatives to the AT89C51RE2-RLTUM:

  • AT89S51: This is a lower-power version of the AT89C51RE2-RLTUM with similar functionality and compatibility.
  • ATmega16: A microcontroller from Atmel that offers enhanced performance and features compared to the AT89C51 series.

AT89C51RE2-RLTUM

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category 8-bit Microcontrollers - MCU RoHS Details
Series 89C Mounting Style SMD/SMT
Package / Case LQFP-44 Core 8051
Program Memory Size 128 kB Data Bus Width 8 bit
ADC Resolution No ADC Maximum Clock Frequency 60 MHz
Number of I/Os 34 I/O Data RAM Size 8 kB
Supply Voltage - Min 2.7 V Supply Voltage - Max 5.5 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Brand Microchip Technology Height 1.45 mm
Interface Type SPI, UART Length 10.1 mm
Moisture Sensitive Yes Number of Timers/Counters 3 Timer
Processor Series AT89x Product Type 8-bit Microcontrollers - MCU
Program Memory Type Flash Factory Pack Quantity 800
Subcategory Microcontrollers - MCU Width 10.1 mm
Unit Weight 0.012561 oz

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