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AT89S51-24AU
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AT89S51-24AU

Product Overview

Category

AT89S51-24AU belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control systems.

Characteristics

  • High-performance 8-bit microcontroller
  • Low-power consumption
  • Flash memory for program storage
  • In-system programmable
  • 4KB of on-chip Flash memory
  • 128 bytes of on-chip RAM
  • 32 I/O lines
  • UART, SPI, and I2C communication interfaces

Package

AT89S51-24AU is available in a compact 44-pin TQFP package.

Essence

The essence of AT89S51-24AU lies in its ability to provide efficient and reliable control for a wide range of electronic devices and systems.

Packaging/Quantity

AT89S51-24AU is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Clock Frequency: Up to 24 MHz
  • Number of Pins: 44
  • Program Memory Size: 4KB
  • Data RAM Size: 128 bytes
  • I/O Lines: 32
  • Communication Interfaces: UART, SPI, I2C
  • Timers/Counters: 3 (16-bit)
  • ADC Channels: 6 (10-bit resolution)

Detailed Pin Configuration

The pin configuration of AT89S51-24AU is as follows:

  1. P0.0 - Port 0, Pin 0
  2. P0.1 - Port 0, Pin 1
  3. P0.2 - Port 0, Pin 2
  4. P0.3 - Port 0, Pin 3
  5. P0.4 - Port 0, Pin 4
  6. P0.5 - Port 0, Pin 5
  7. P0.6 - Port 0, Pin 6
  8. P0.7 - Port 0, Pin 7
  9. RST - Reset Pin
  10. P1.0 - Port 1, Pin 0
  11. P1.1 - Port 1, Pin 1
  12. P1.2 - Port 1, Pin 2
  13. P1.3 - Port 1, Pin 3
  14. P1.4 - Port 1, Pin 4
  15. P1.5 - Port 1, Pin 5
  16. P1.6 - Port 1, Pin 6
  17. P1.7 - Port 1, Pin 7
  18. XTAL1 - Crystal Oscillator Input
  19. XTAL2 - Crystal Oscillator Output
  20. GND - Ground
  21. VCC - Power Supply
  22. P2.0 - Port 2, Pin 0
  23. P2.1 - Port 2, Pin 1
  24. P2.2 - Port 2, Pin 2
  25. P2.3 - Port 2, Pin 3
  26. P2.4 - Port 2, Pin 4
  27. P2.5 - Port 2, Pin 5
  28. P2.6 - Port 2, Pin 6
  29. P2.7 - Port 2, Pin 7
  30. ALE/PROG - Address Latch Enable/Program Pulse
  31. PSEN - Program Store Enable
  32. EA/VPP - External Access Enable/Voltage Programming Pin
  33. P3.0 - Port 3, Pin 0
  34. P3.1 - Port 3, Pin 1
  35. P3.2 - Port 3, Pin 2
  36. P3.3 - Port 3, Pin 3
  37. P3.4 - Port 3, Pin 4
  38. P3.5 - Port 3, Pin 5
  39. P3.6 - Port 3, Pin 6
  40. P3.7 - Port 3, Pin 7
  41. RXD - UART Receive Data
  42. TXD - UART Transmit Data
  43. INT0 - External Interrupt 0
  44. INT1 - External Interrupt 1

Functional Features

AT89S51-24AU offers several functional features that make it a versatile microcontroller for various applications:

  1. Flash Memory: The on-chip Flash memory allows easy and convenient program storage and modification.
  2. I/O Lines: With 32 I/O lines, the microcontroller can interface with multiple external devices and sensors.
  3. Communication Interfaces

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT89S51-24AU v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT89S51-24AU in technical solutions:

  1. Q: What is AT89S51-24AU? A: AT89S51-24AU is a microcontroller from the 8051 family, manufactured by Atmel. It operates at 24 MHz and has 4KB of Flash memory.

  2. Q: What are the main features of AT89S51-24AU? A: The main features of AT89S51-24AU include 32 I/O pins, 128 bytes of RAM, 2 Timers/Counters, 6 Interrupt sources, UART for serial communication, and SPI interface.

  3. Q: What are some typical applications of AT89S51-24AU? A: AT89S51-24AU is commonly used in various applications such as industrial automation, home automation, robotics, security systems, and embedded systems.

  4. Q: How can I program AT89S51-24AU? A: AT89S51-24AU can be programmed using assembly language or high-level languages like C. You can use an In-Circuit Emulator (ICE) or a programmer like USBASP to burn the compiled code into the microcontroller.

  5. Q: Can I interface AT89S51-24AU with other devices? A: Yes, AT89S51-24AU supports various interfaces like UART, SPI, and I2C, which allows you to easily interface it with other devices such as sensors, displays, and memory modules.

  6. Q: What is the maximum operating voltage for AT89S51-24AU? A: The maximum operating voltage for AT89S51-24AU is 5.5V. It is important to ensure that the voltage supplied to the microcontroller does not exceed this limit.

  7. Q: How much program memory is available in AT89S51-24AU? A: AT89S51-24AU has 4KB of Flash memory, which can be used to store the program code.

  8. Q: Can I use AT89S51-24AU for real-time applications? A: Yes, AT89S51-24AU can be used for real-time applications as it has built-in timers/counters and interrupt capabilities, which allow precise timing and event handling.

  9. Q: Is AT89S51-24AU suitable for low-power applications? A: Yes, AT89S51-24AU has power-saving features like idle mode and power-down mode, making it suitable for low-power applications where energy efficiency is important.

  10. Q: Are there any development boards available for AT89S51-24AU? A: Yes, there are several development boards available that are specifically designed for AT89S51-24AU, which provide easy prototyping and debugging capabilities.

Please note that these answers are general and may vary depending on specific requirements and implementations.