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AT89S51-24PI
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AT89S51-24PI

Product Overview

Category

AT89S51-24PI belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic applications that require a programmable device for controlling and processing data.

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 RAM
  • 32 input/output pins
  • Operating voltage: 2.7V to 5.5V

Package

AT89S51-24PI comes in a 40-pin DIP (Dual Inline Package) package.

Essence

The essence of AT89S51-24PI lies in its ability to provide a cost-effective solution for embedded systems requiring a microcontroller with sufficient memory and I/O capabilities.

Packaging/Quantity

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

Specifications

  • Architecture: 8-bit CMOS
  • Clock Speed: Up to 24 MHz
  • Program Memory Size: 4KB
  • Data Memory Size: 128 bytes
  • Number of I/O Pins: 32
  • Timers/Counters: 2 (16-bit)
  • Serial Communication: UART (Universal Asynchronous Receiver/Transmitter)
  • Interrupt Sources: 6
  • Operating Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of AT89S51-24PI 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

Functional Features

AT89S51-24PI offers the following functional features:

  • Flash memory for program storage allows easy reprogramming of the microcontroller.
  • In-system programmability enables updating the program without removing the microcontroller from the circuit.
  • UART provides serial communication capabilities for interfacing with other devices.
  • Timers/counters facilitate time-based operations and event counting.
  • Interrupt sources allow efficient handling of external

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT89S51-24PI en soluciones técnicas

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

  1. Q: What is AT89S51-24PI? A: AT89S51-24PI is a microcontroller from the 8051 family, manufactured by Atmel. It operates at a clock frequency of 24 MHz.

  2. Q: What are the key features of AT89S51-24PI? A: Some key features of AT89S51-24PI include 4KB of Flash memory, 128 bytes of RAM, 32 I/O pins, 3 timers/counters, and UART for serial communication.

  3. Q: How can I program AT89S51-24PI? A: AT89S51-24PI can be programmed using various programming languages like C or assembly language. You can use an ISP programmer or a development board with built-in programming capabilities.

  4. Q: What are the typical applications of AT89S51-24PI? A: AT89S51-24PI is commonly used in applications like home automation systems, industrial control systems, robotics, security systems, and various embedded projects.

  5. Q: Can I interface AT89S51-24PI with other devices? A: Yes, AT89S51-24PI supports various interfaces like SPI (Serial Peripheral Interface), I2C (Inter-Integrated Circuit), and UART (Universal Asynchronous Receiver-Transmitter) for interfacing with other devices.

  6. Q: How many I/O pins does AT89S51-24PI have? A: AT89S51-24PI has a total of 32 I/O pins, which can be configured as input or output based on your application requirements.

  7. Q: What is the maximum clock frequency supported by AT89S51-24PI? A: AT89S51-24PI can operate at a maximum clock frequency of 24 MHz, allowing for faster execution of instructions and better performance.

  8. Q: Can I use AT89S51-24PI in battery-powered applications? A: Yes, AT89S51-24PI can be used in battery-powered applications as it has low power consumption capabilities, making it suitable for portable devices.

  9. Q: Is AT89S51-24PI compatible with other microcontrollers? A: AT89S51-24PI follows the standard 8051 architecture, so it is compatible with other microcontrollers from the 8051 family. However, compatibility with microcontrollers from different families may require additional considerations.

  10. Q: Where can I find documentation and resources for AT89S51-24PI? A: You can find the datasheet, application notes, and other resources for AT89S51-24PI on the manufacturer's website or through online communities and forums dedicated to microcontroller programming and development.