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AT89C51RB2-SLSUM

bit MCU ideal for embedded systems development

Inventory:6,117

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Overview of AT89C51RB2-SLSUM

The AT89C51RB2-SLSUM is a high-performance, low-power CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. It is designed for use in embedded systems and features a wide range of peripherals for various applications.

Pinout

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

  • VCC: Positive power supply
  • GND: Ground
  • RXD: Serial data input
  • TXD: Serial data output
  • T0: Timer 0 external input
  • T1: Timer 1 external input
  • INT0: External interrupt 0 input
  • INT1: External interrupt 1 input
  • P1.0 - P1.7: Port 1 bidirectional I/O pins
  • P3.0 - P3.7: Port 3 bidirectional I/O pins
  • EA/VPP: External access enable/programming enable voltage
  • RST: Reset input
  • XTAL1: Crystal oscillator input
  • XTAL2: Crystal oscillator output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT89C51RB2-SLSUM microcontroller for a visual representation.

Key Features

  • 8K Bytes of In-System Programmable (ISP) Flash Memory: Enables flexible and convenient program storage and updates.
  • Serial Communication: Supports serial data communication through the RXD and TXD pins.
  • Timer and Interrupt Inputs: Features external inputs for timer and interrupt functions, providing timing and event-driven capabilities.
  • Bidirectional I/O Ports: Provides versatile input/output capabilities through the P1 and P3 port pins.
  • Crystal Oscillator Support: Facilitates precise clock generation for timing-sensitive applications.
  • Reset and Power Inputs: Includes inputs for reset and power supply connections for reliable operation.
  • Low Power Consumption: Optimized for low-power operation, suitable for battery-powered and energy-efficient designs.

Note: For detailed technical specifications, please refer to the AT89C51RB2-SLSUM datasheet.

Application

  • Embedded Systems: Ideal for use in embedded systems such as industrial control, automation, and consumer electronics.
  • Serial Communication Devices: Suitable for implementing serial communication interfaces in various electronic devices.
  • Timing and Control Systems: Used in applications requiring precise timing, interrupt handling, and I/O control.

Functionality

The AT89C51RB2-SLSUM is a high-performance 8-bit microcontroller offering flexible program memory, versatile I/O capabilities, and support for serial communication. It provides a reliable and efficient solution for embedded system designs.

Usage Guide

  • Power Supply: Connect VCC (Pin 40) to the positive power supply and GND (Pin 20) to ground.
  • Program Memory: Utilize the in-system programmable Flash memory for storing and updating program code.
  • Serial Communication: Connect the RXD (Pin 10) and TXD (Pin 11) pins for serial data transmission and reception.

Frequently Asked Questions

Q: Can the AT89C51RB2-SLSUM operate at higher clock speeds?
A: The AT89C51RB2-SLSUM is designed to operate at specified clock frequencies. For higher clock speed requirements, consider alternative microcontroller models with higher frequency support.

Q: Is the AT89C51RB2-SLSUM suitable for battery-powered applications?
A: Yes, the AT89C51RB2-SLSUM is optimized for low-power consumption, making it suitable for battery-powered and energy-efficient applications.

Equivalent

For similar functionalities, consider these alternatives to the AT89C51RB2-SLSUM:

  • ATmega8L: This is an 8-bit AVR microcontroller offering similar performance and features to the AT89C51RB2-SLSUM.
  • PIC16F877A: This is a PIC microcontroller with comparable capabilities, suitable for diverse embedded system applications.
  • STM32F103C8T6: A member of the STM32 family, providing enhanced features and performance for embedded system designs.

Specifications

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

Program Memory Size (KB) 16 RAM (bytes) 1
Data EEPROM (bytes) 0 Pin Count 44
Operation Voltage Max.(V) 5.5 Operation Voltage Min.(V) 2.7
Timers 0 x 8-bit - 0 x 16-bit Max ADC Resolution (bits) 0
ADC Channels 0 Zero Cross Detect No
Number of Comparators 0 SPI 1 -SPI
I2C 0 -I2C Stand alone PWM 0
Low Power No Numerically Controlled Oscillator (NCO) 0
Data Signal Modulator (DSM) 0

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AT89C51RB2-SLSUM

bit MCU ideal for embedded systems development

Inventory:

6,117