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AT87C51RD2-3CSUL
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AT87C51RD2-3CSUL

Product Overview

Category

The AT87C51RD2-3CSUL belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

  • High-performance 8-bit CMOS microcontroller
  • Advanced RISC architecture
  • Flash memory for program storage
  • EEPROM for data storage
  • In-system programmable
  • Low power consumption
  • Wide operating voltage range

Package

The AT87C51RD2-3CSUL is available in a small outline package (SOIC) with an ultra-thin shrink small outline package (TSSOP) variant.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The AT87C51RD2-3CSUL is typically packaged in reels or tubes, with quantities varying depending on the supplier.

Specifications

  • Architecture: 8-bit RISC
  • CPU Speed: 33 MHz
  • Program Memory Size: 64 KB
  • Data Memory Size: 2 KB
  • Operating Voltage Range: 2.7V to 5.5V
  • Number of I/O Pins: 32
  • Timers/Counters: 3
  • Serial Communication: UART, SPI
  • Interrupt Sources: 6

Detailed Pin Configuration

The AT87C51RD2-3CSUL has a total of 40 pins, each serving a specific purpose. The pin configuration 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. EA/VPP - External Access Enable / Programming Voltage Supply
  31. ALE/PROG - Address Latch Enable / Program Pulse
  32. PSEN - Program Store Enable
  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

  • High-speed processing capabilities
  • On-chip memory for program and data storage
  • Multiple I/O pins for interfacing with external devices
  • Built-in timers/counters for precise timing operations
  • Serial communication interfaces (UART, SPI) for data exchange
  • Interrupt sources for event-driven programming
  • In-system programmability for easy updates

Advantages and Disadvantages

Advantages

  • Compact size and low power consumption
  • Efficient RISC architecture

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT87C51RD2-3CSUL en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT87C51RD2-3CSUL in technical solutions:

  1. Q: What is the AT87C51RD2-3CSUL microcontroller used for? A: The AT87C51RD2-3CSUL is a high-performance 8-bit microcontroller primarily used in embedded systems and industrial applications.

  2. Q: What is the operating voltage range of the AT87C51RD2-3CSUL? A: The AT87C51RD2-3CSUL operates within a voltage range of 2.7V to 5.5V.

  3. Q: How much flash memory does the AT87C51RD2-3CSUL have? A: The AT87C51RD2-3CSUL has 64KB of flash memory for program storage.

  4. Q: Can I interface the AT87C51RD2-3CSUL with other devices? A: Yes, the AT87C51RD2-3CSUL supports various communication interfaces like UART, SPI, and I2C, allowing easy integration with other devices.

  5. Q: Does the AT87C51RD2-3CSUL have any analog-to-digital converters (ADC)? A: No, the AT87C51RD2-3CSUL does not have an integrated ADC. External ADCs can be used if analog inputs are required.

  6. Q: What is the maximum clock frequency supported by the AT87C51RD2-3CSUL? A: The AT87C51RD2-3CSUL can operate at a maximum clock frequency of 33 MHz.

  7. Q: Can I use the AT87C51RD2-3CSUL for real-time applications? A: Yes, the AT87C51RD2-3CSUL has built-in timers and interrupt capabilities, making it suitable for real-time applications.

  8. Q: What programming language can I use to program the AT87C51RD2-3CSUL? A: The AT87C51RD2-3CSUL can be programmed using assembly language or high-level languages like C.

  9. Q: Is the AT87C51RD2-3CSUL compatible with other microcontrollers in the AT89 series? A: Yes, the AT87C51RD2-3CSUL is part of the AT89 series and shares a similar architecture, making it compatible with other microcontrollers in the series.

  10. Q: Can I use the AT87C51RD2-3CSUL in low-power applications? A: Yes, the AT87C51RD2-3CSUL 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 requirements and application scenarios.