AT87C51RD2-SLSUL

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance 8-bit microcontroller
  • Low-power consumption
  • Wide operating voltage range
  • Large program memory capacity
  • Multiple communication interfaces
• Package: SLSUL (Small Outline Package)
• Essence: Advanced microcontroller for various control applications
• Packaging/Quantity: Available in reels, quantity depends on supplier

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 33 MHz
• Program Memory Size: 64 KB
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• Operating Voltage Range: 2.7V to 5.5V
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3x 16-bit, 1x 8-bit
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Digital-to-Analog Converter (DAC): Not available
• I/O Pins: 32
• Packages Available: SLSUL, PLCC, PDIP

Detailed Pin Configuration

The AT87C51RD2-SLSUL microcontroller has a total of 40 pins. The pin configuration is as follows:

• Port 0 (P0.0 - P0.7): General-purpose I/O pins
• Port 1 (P1.0 - P1.7): General-purpose I/O pins
• Port 2 (P2.0 - P2.7): General-purpose I/O pins
• Port 3 (P3.0 - P3.7): General-purpose I/O pins
• Port 4 (P4.0 - P4.7): General-purpose I/O pins
• VCC: Power supply voltage
• GND: Ground

Functional Features

1. High-performance CPU: The AT87C51RD2-SLSUL microcontroller is equipped with a powerful 8-bit CPU, allowing for efficient execution of control applications.
2. Low-power consumption: With its optimized architecture, the microcontroller ensures minimal power consumption, making it suitable for battery-powered devices.
3. Wide operating voltage range: The microcontroller can operate within a wide voltage range, providing flexibility in various applications.
4. Large program memory capacity: With 64 KB of program memory, the microcontroller can accommodate complex control algorithms and extensive code.
5. Multiple communication interfaces: The UART, SPI, and I2C interfaces enable seamless integration with other devices and communication protocols.

Advantages and Disadvantages

Advantages: - High-performance CPU for efficient execution - Low-power consumption for extended battery life - Wide operating voltage range for flexibility - Ample program memory capacity for complex applications - Multiple communication interfaces for easy integration

Disadvantages: - Limited RAM size (2 KB) may restrict the complexity of data manipulation - Lack of built-in DAC limits analog output capabilities

Working Principles

The AT87C51RD2-SLSUL microcontroller follows the basic principles of an 8-bit microcontroller. It executes instructions stored in its program memory, interacts with peripherals through I/O ports, and communicates with external devices using the available interfaces. The CPU processes data and controls the flow of operations based on the program instructions.

Detailed Application Field Plans

The AT87C51RD2-SLSUL microcontroller finds applications in various fields, including but not limited to: - Industrial automation - Home automation - Automotive systems - Consumer electronics - Robotics - Internet of Things (IoT) devices

Its high-performance capabilities, low-power consumption, and versatile communication interfaces make it suitable for controlling and monitoring systems in these fields.

Detailed and Complete Alternative Models

1. AT89C51RD2: Similar microcontroller with a different package (PDIP)
2. AT89S52: 8-bit microcontroller with similar features but higher program memory capacity
3. PIC16F877A: Microcontroller from Microchip with comparable specifications and features
4. STM32F103C8T6: ARM-based microcontroller with enhanced performance and additional features

These alternative models offer similar functionalities and can be considered based on specific project requirements and compatibility considerations.

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