AT89C51RE2-RLTUM

Name: AT89C51RE2-RLTUM
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

8-bit Microcontroller

7,989 Effective Inventory

AT89C51RE2-RLTUM

Effective Inventory7,989

8-bit Microcontroller

Manufacturer Part # : AT89C51RE2-RLTUM
Package/Case: LQFP-44
Brand: Microchip Technology
Product Categories : Microcontrollers
Series : AT89C51RE2

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AT89C51RE2-RLTUM DataSheet

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AT89C51RE2-RLTUM Details

The AT89C51RE2-RLTUM is a microcontroller from Atmel, designed for embedded systems and applications that require high-performance processing. This microcontroller features a powerful 8051 core with enhanced features and extended memory, making it suitable for a wide range of applications. It is housed in a compact and durable package, offering flexibility and ease of integration.

Pinout

1 (P0): Port 0
2 (P1): Port 1
3 (P2): Port 2
4 (P3): Port 3
5 (RST): Reset
6 (XTAL1): Crystal Oscillator Input
7 (XTAL2): Crystal Oscillator Output
8 (VCC): Positive Power Supply
9 (GND): Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Performance: Features a powerful 8051 core with enhanced features for efficient processing.
Extended Memory: Offers extended memory options for storing and executing larger programs.
Flexible I/O: Provides multiple I/O ports for easy interfacing with external devices and peripherals.
Integrated Peripherals: Includes integrated peripherals such as UART, SPI, and Timers for added functionality.
Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.

Application

Embedded Systems: Ideal for embedded systems development and applications that require high-performance processing.
Industrial Automation: Used in industrial automation systems for control and monitoring tasks.
Home Automation: Suitable for home automation systems, enabling control and connectivity.

Where to Use

The AT89C51RE2-RLTUM is suitable for applications that require a high-performance microcontroller with extended memory and versatile I/O capabilities. It is commonly used in embedded systems development, industrial automation, and home automation applications.

How to Use

Connect the AT89C51RE2-RLTUM to your circuit by wiring the power supply and ground pins to the appropriate connections. Use the I/O ports (P0-P3) for interfacing with external devices and peripherals. The crystal oscillator pins (XTAL1 and XTAL2) connect to an external crystal for clock generation. The RST pin is used to reset the microcontroller, ensuring proper initialization. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the AT89C51RE2-RLTUM illustrates how to connect the microcontroller to your electronic system. It includes connections for power supply, ground, crystal oscillator, and I/O ports, ensuring proper operation and functionality.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

AT89C52: A similar microcontroller from Atmel with compatible features and performance.
PIC16F877A: An alternative microcontroller from Microchip offering similar functionality and capabilities.

Complementary

The AT89C51RE2-RLTUM can be complemented by the AT24C02, an external EEPROM memory, for additional data storage and program flexibility.

When selecting complementary components, ensure their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum clock frequency supported by the AT89C51RE2-RLTUM?

A: The AT89C51RE2-RLTUM supports a maximum clock frequency of 40MHz. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the AT89C51RE2-RLTUM be programmed using C language?

A: Yes, the AT89C51RE2-RLTUM can be programmed using C language. It supports a wide range of development tools and programming languages for code development and debugging.

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

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification AT89C51RE2-RLTUM PDF Download

FAQs

What is AT89C51RE2-RLTUM?

The AT89C51RE2-RLTUM is a high-performance, low-power 8-bit microcontroller designed by Microchip Technology. It is based on the 8051 architecture and is ideal for embedded control applications, including automotive, industrial, and consumer electronics.

How Does AT89C51RE2-RLTUM Work?

The AT89C51RE2-RLTUM operates as a microcontroller, executing program instructions to control various functions within an embedded system. It features a high-performance CPU, flash memory for program storage, and a wide range of integrated peripherals, allowing for versatile and efficient system control.

How Many Pins does AT89C51RE2-RLTUM have and What are the Functions of the Pinout Configuration?

The AT89C51RE2-RLTUM is housed in a 44-pin TQFP (Thin Quad Flat Package) package. The pinout configuration includes:

VCC: Power supply pin.
GND: Ground pin.
P1.0 - P1.7: I/O pins for Port 1.
P3.0 - P3.7: I/O pins for Port 3.
RXD, TXD: Serial communication pins.
X2, X1: External crystal oscillator pins.
EA: External access enable pin.
RST: Reset pin.

What are the Pros and Cons of AT89C51RE2-RLTUM?

Pros:

High-Performance CPU: Features a high-speed, 8-bit CPU for efficient program execution.
Integrated Flash Memory: Includes on-chip flash memory for program storage, eliminating the need for external program memory.
Wide Operating Voltage Range: Operates over a broad voltage range, making it suitable for various power supply conditions.
Rich Peripheral Set: Offers a variety of integrated peripherals, including timers, UART, and SPI, for versatile system control.

Cons:

Legacy Architecture: Based on the 8051 architecture, which may not offer some of the advanced features found in newer microcontrollers.
Limited Flash Memory Size: The on-chip flash memory size may be limiting for more complex applications with extensive program code and data.
External Crystal Required: Requires an external crystal oscillator for accurate clock generation, adding complexity to the system design.

Are There Any Equivalents/Alternatives to AT89C51RE2-RLTUM for Recommendation?

The AT89S52 from Microchip Technology is a similar 8051-based microcontroller with a different feature set.
Alternatives to the AT89C51RE2-RLTUM include the PIC16F877A from Microchip Technology and the AVR ATmega32 from Microchip Technology.