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AT87C51RB2-RLTUM
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AT87C51RB2-RLTUM

Product Overview

Category

The AT87C51RB2-RLTUM 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
  • Enhanced features for embedded applications
  • Wide operating voltage range
  • Integrated peripherals for versatile functionality

Package

The AT87C51RB2-RLTUM 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 and reliable control and processing capabilities for electronic devices.

Packaging/Quantity

The AT87C51RB2-RLTUM is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 40 MHz
  • Program Memory Size: 64 KB
  • RAM Size: 2 KB
  • Number of I/O Pins: 32
  • 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

Detailed Pin Configuration

The AT87C51RB2-RLTUM has a total of 40 pins, each serving a specific purpose. The detailed 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 and XTAL2: Crystal oscillator input and output
  • RST: Reset pin for restarting the microcontroller
  • VCC: Power supply voltage
  • GND: Ground reference

Functional Features

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

  1. Enhanced CPU: The microcontroller is equipped with an 8-bit CPU capable of executing instructions at high speeds.
  2. Integrated Peripherals: It includes various peripherals such as UART, SPI, and I2C interfaces, enabling seamless communication with external devices.
  3. Timers/Counters: The microcontroller features multiple timers/counters, allowing precise timing and event counting operations.
  4. Analog-to-Digital Converter (ADC): With an 8-channel ADC, it can convert analog signals into digital values for accurate measurements.
  5. Low-Power Consumption: The microcontroller is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

  • High-performance capabilities
  • Wide operating voltage range
  • Integrated peripherals simplify system design
  • Low-power consumption extends battery life
  • Compact package suitable for SMT applications

Disadvantages

  • Limited program memory size (64 KB)
  • Limited RAM size (2 KB)
  • Limited number of I/O pins (32)

Working Principles

The AT87C51RB2-RLTUM operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through various interfaces, and performs data processing tasks according to the programmed logic.

Detailed Application Field Plans

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

  1. Industrial Automation: Control systems for machinery and equipment.
  2. Consumer Electronics: Remote controls, home automation systems.
  3. Automotive: Engine management, dashboard displays.
  4. Medical Devices: Patient monitoring systems, diagnostic equipment.
  5. Internet of Things (IoT): Smart devices, sensor networks.

Detailed and Complete Alternative Models

  1. AT89C51RD2: Similar 8-bit microcontroller with enhanced features.
  2. PIC16F877A: Competing microcontroller from Microchip with similar capabilities.
  3. STM32F103C8T6: ARM-based microcontroller offering higher performance and more extensive peripherals.

Note: This is not an exhaustive list, and there are several alternative models available in the market with varying specifications and features.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT87C51RB2-RLTUM i tekniska lösningar

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

  1. Q: What is the AT87C51RB2-RLTUM microcontroller used for? A: The AT87C51RB2-RLTUM is a microcontroller primarily used for embedded systems and various technical applications.

  2. Q: What is the operating voltage range of the AT87C51RB2-RLTUM? A: The operating voltage range of this microcontroller is typically between 4.0V and 5.5V.

  3. Q: How much flash memory does the AT87C51RB2-RLTUM have? A: This microcontroller has 8KB of on-chip flash memory for program storage.

  4. Q: Can I interface external memory with the AT87C51RB2-RLTUM? A: Yes, the AT87C51RB2-RLTUM supports external memory interfacing through its address and data bus.

  5. Q: What is the maximum clock frequency supported by this microcontroller? A: The AT87C51RB2-RLTUM can operate at a maximum clock frequency of 33 MHz.

  6. Q: Does the AT87C51RB2-RLTUM have any built-in communication interfaces? A: Yes, it has a UART (Universal Asynchronous Receiver/Transmitter) for serial communication.

  7. Q: Can I use the AT87C51RB2-RLTUM for analog signal processing? A: No, this microcontroller does not have an integrated analog-to-digital converter (ADC).

  8. Q: What type of package does the AT87C51RB2-RLTUM come in? A: It is available in a 44-pin TQFP (Thin Quad Flat Package) package.

  9. Q: Is the AT87C51RB2-RLTUM suitable for low-power applications? A: Yes, this microcontroller has power-saving modes and features that make it suitable for low-power applications.

  10. Q: Can I program the AT87C51RB2-RLTUM using C or assembly language? A: Yes, you can program this microcontroller using both C and assembly language, depending on your preference and requirements.

Please note that the answers provided here are general and may vary based on specific datasheet information and application requirements.