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AT89C55WD-24JU
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AT89C55WD-24JU

Product Overview

Category

AT89C55WD-24JU 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 CMOS microcontroller
  • Low-power consumption
  • Wide operating voltage range
  • Flash memory for program storage
  • In-system programmable
  • Multiple I/O ports for versatile connectivity
  • Integrated timers and counters for precise timing operations

Package

AT89C55WD-24JU is available in a compact and durable package, suitable for surface mount technology (SMT) applications.

Essence

The essence of AT89C55WD-24JU lies in its ability to provide efficient and reliable control capabilities for electronic devices and systems.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Architecture: 8-bit
  • CPU Speed: 24 MHz
  • Program Memory Size: 20 KB
  • RAM Size: 256 bytes
  • Number of I/O Pins: 32
  • Operating Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Data Sheet: Link to datasheet

Detailed Pin Configuration

The AT89C55WD-24JU microcontroller has a total of 40 pins, each serving a specific purpose. Here is a detailed pin configuration:

  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 Pin
  21. VCC - Power Supply Pin
  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 Pin
  31. PSEN - Program Store Enable Pin
  32. EA/VPP - External Access Enable/Programming Supply Voltage 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

  • Flash memory for program storage and easy reprogramming
  • Multiple I/O ports for versatile connectivity with external devices
  • Integrated timers and counters for precise timing operations
  • Serial communication interfaces (UART, SPI, I2C) for data exchange
  • Interrupt capability for efficient event handling
  • Power-saving modes to optimize energy consumption
  • Watchdog timer for system reliability

Advantages and Disadvantages

Adv

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT89C55WD-24JU en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT89C55WD-24JU in technical solutions:

  1. Q: What is the AT89C55WD-24JU microcontroller used for? A: The AT89C55WD-24JU is a high-performance 8-bit microcontroller commonly used in various technical solutions, including embedded systems, industrial automation, robotics, and consumer electronics.

  2. Q: What is the operating voltage range of the AT89C55WD-24JU? A: The AT89C55WD-24JU operates within a voltage range of 4.5V to 5.5V.

  3. Q: How much flash memory does the AT89C55WD-24JU have? A: The AT89C55WD-24JU has 20KB of on-chip flash memory for program storage.

  4. Q: Can I interface external memory with the AT89C55WD-24JU? A: Yes, the AT89C55WD-24JU supports external memory interfacing through its address and data bus.

  5. Q: What communication interfaces are available on the AT89C55WD-24JU? A: The AT89C55WD-24JU features UART (Universal Asynchronous Receiver/Transmitter) and SPI (Serial Peripheral Interface) communication interfaces.

  6. Q: Does the AT89C55WD-24JU have any analog-to-digital converters (ADC)? A: No, the AT89C55WD-24JU does not have an on-chip ADC. External ADCs can be used if required.

  7. Q: Can I use the AT89C55WD-24JU for real-time applications? A: Yes, the AT89C55WD-24JU has a built-in timer/counter and supports interrupts, making it suitable for real-time applications.

  8. Q: What programming languages can be used to program the AT89C55WD-24JU? A: The AT89C55WD-24JU can be programmed using assembly language or high-level languages like C.

  9. Q: Is the AT89C55WD-24JU compatible with other microcontrollers? A: The AT89C55WD-24JU follows the 8051 architecture, so it is compatible with other 8051-based microcontrollers.

  10. Q: Can I use the AT89C55WD-24JU in low-power applications? A: Yes, the AT89C55WD-24JU offers power-saving modes and features like idle mode and power-down mode, making it suitable for low-power applications.

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