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AT87C51RB2-RLRUM
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AT87C51RB2-RLRUM

Product Overview

Category

The AT87C51RB2-RLRUM belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

  • High-performance 8-bit microcontroller
  • Low-power consumption
  • Wide operating voltage range
  • Integrated on-chip peripherals
  • Flash memory for program storage
  • EEPROM for data storage
  • Multiple communication interfaces

Package

The AT87C51RB2-RLRUM is available in a compact and durable package, suitable for surface mount technology (SMT) applications.

Essence

The essence of this microcontroller lies in its ability to provide efficient control and processing capabilities in a wide range of electronic applications.

Packaging/Quantity

The AT87C51RB2-RLRUM is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 33 MHz
  • Program Memory Size: 64 KB
  • Data Memory Size: 256 bytes (RAM), 2 KB (EEPROM)
  • Operating Voltage Range: 2.7V to 5.5V
  • Digital I/O Pins: 32
  • Communication Interfaces: UART, SPI, I2C
  • Timers/Counters: 3x 16-bit, 1x 8-bit
  • ADC Channels: 8
  • PWM Channels: 4

Detailed Pin Configuration

The AT87C51RB2-RLRUM has a total of 40 pins, each serving a specific purpose. 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, multiplexed with other functions
  • Port 3 (P3.0 - P3.7): General-purpose I/O pins, multiplexed with other functions
  • Port 4 (P4.0 - P4.7): General-purpose I/O pins, multiplexed with other functions
  • XTAL1: Crystal oscillator input
  • XTAL2: Crystal oscillator output
  • RST: Reset pin
  • VCC: Supply voltage
  • GND: Ground

Functional Features

The AT87C51RB2-RLRUM offers several functional features that enhance its usability and performance:

  1. High-Speed Processing: With a CPU speed of up to 33 MHz, this microcontroller can handle complex tasks efficiently.
  2. Integrated Peripherals: The on-chip peripherals, such as UART, SPI, and I2C interfaces, enable seamless communication with external devices.
  3. Flash Memory: The built-in flash memory allows for easy program storage and updates.
  4. EEPROM: The integrated EEPROM provides non-volatile data storage capabilities.
  5. Timers/Counters: The multiple timers/counters facilitate precise timing and event counting.
  6. ADC Channels: The analog-to-digital converter (ADC) channels enable the microcontroller to interface with analog sensors and signals.
  7. PWM Channels: The pulse-width modulation (PWM) channels allow for precise control of analog outputs.

Advantages and Disadvantages

Advantages

  • High-performance processing capabilities
  • Low-power consumption
  • Wide operating voltage range
  • Integrated on-chip peripherals simplify system design
  • Ample program and data memory capacity
  • Versatile communication interfaces

Disadvantages

  • Limited number of I/O pins compared to some other microcontrollers
  • Relatively higher cost compared to lower-end microcontrollers

Working Principles

The AT87C51RB2-RLRUM operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through various communication interfaces, and performs data processing tasks using its integrated peripherals. The microcontroller's working principles involve fetching, decoding, and executing instructions in a sequential manner.

Detailed Application Field Plans

The AT87C51RB2-RLRUM finds applications in various fields, including but not limited to:

  1. Industrial Automation: Control systems for manufacturing processes, robotics, and machinery.
  2. Automotive Electronics: Engine management systems, dashboard controls, and vehicle diagnostics.
  3. Home Automation: Smart home devices, security systems, and energy management.
  4. Consumer Electronics: Remote controls, gaming consoles, and audio/video equipment.
  5. Medical Devices: Patient monitoring systems, diagnostic equipment, and medical instrumentation.

Detailed and Complete Alternative Models

For those seeking alternative microcontrollers with similar capabilities, the following models can be considered

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT87C51RB2-RLRUM v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT87C51RB2-RLRUM in technical solutions:

  1. Q: What is the AT87C51RB2-RLRUM microcontroller used for? A: The AT87C51RB2-RLRUM is a high-performance 8-bit microcontroller primarily used in embedded systems and industrial applications.

  2. Q: What is the maximum clock frequency supported by the AT87C51RB2-RLRUM? A: The AT87C51RB2-RLRUM can operate at a maximum clock frequency of 33 MHz.

  3. Q: How much program memory does the AT87C51RB2-RLRUM have? A: The AT87C51RB2-RLRUM has 64 KB of Flash program memory.

  4. Q: Can I expand the program memory of the AT87C51RB2-RLRUM? A: No, the program memory of the AT87C51RB2-RLRUM cannot be expanded externally.

  5. Q: How much RAM does the AT87C51RB2-RLRUM have? A: The AT87C51RB2-RLRUM has 2 KB of on-chip RAM.

  6. Q: Does the AT87C51RB2-RLRUM support external interrupts? A: Yes, the AT87C51RB2-RLRUM supports four external interrupt inputs.

  7. Q: Can I use the AT87C51RB2-RLRUM for analog signal processing? A: No, the AT87C51RB2-RLRUM does not have built-in analog-to-digital converters (ADCs) or digital-to-analog converters (DACs).

  8. Q: What communication interfaces are supported by the AT87C51RB2-RLRUM? A: The AT87C51RB2-RLRUM supports UART (Universal Asynchronous Receiver/Transmitter) and SPI (Serial Peripheral Interface) communication interfaces.

  9. Q: Can I use the AT87C51RB2-RLRUM in low-power applications? A: Yes, the AT87C51RB2-RLRUM has power-saving modes such as idle mode and power-down mode to conserve energy.

  10. Q: Is the AT87C51RB2-RLRUM suitable for real-time applications? A: Yes, the AT87C51RB2-RLRUM has a built-in timer/counter and supports interrupts, making it suitable for real-time applications that require precise timing.

Please note that these answers are based on general information about the AT87C51RB2-RLRUM microcontroller. For specific technical details, please refer to the datasheet or consult the manufacturer's documentation.