Microchip Technology
Bild kan vara representation.
Se specifikationer för produktinformation.
AT89C51RB2-3CSUL
Visa detalj Datablad

AT89C51RB2-3CSUL

Product Overview

Category

The AT89C51RB2-3CSUL 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
  • Wide operating voltage range
  • Multiple I/O ports for versatile connectivity

Package

The AT89C51RB2-3CSUL is available in a small outline package (SOP) format.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control in a wide range of electronic devices.

Packaging/Quantity

The AT89C51RB2-3CSUL is typically packaged in reels, with each reel containing a specific quantity of microcontrollers.

Specifications

  • Architecture: 8-bit
  • CPU Speed: 33 MHz
  • Program Memory Size: 64 KB
  • RAM Size: 2 KB
  • Number of I/O Pins: 32
  • Operating Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Data Bus Width: 8-bit
  • Timer/Counter: 3
  • Serial Communication Interface: UART

Detailed Pin Configuration

The AT89C51RB2-3CSUL has a total of 44 pins, each serving a specific purpose. The detailed 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. 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 - Serial Data Input
  42. TXD - Serial Data Output
  43. INT0 - External Interrupt 0
  44. INT1 - External Interrupt 1

Functional Features

The AT89C51RB2-3CSUL offers several functional features that enhance its performance and usability:

  1. Flash Memory: The microcontroller has a built-in flash memory for storing the program code.
  2. I/O Ports: It provides multiple I/O ports for connecting external devices and peripherals.
  3. Timers/Counters

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT89C51RB2-3CSUL i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AT89C51RB2-3CSUL in technical solutions:

  1. Q: What is the AT89C51RB2-3CSUL microcontroller? A: The AT89C51RB2-3CSUL is a high-performance 8-bit microcontroller from Atmel, based on the 8051 architecture.

  2. Q: What are the key features of the AT89C51RB2-3CSUL? A: Some key features include 64KB Flash memory, 2KB RAM, 4 8-bit I/O ports, UART, SPI, I2C, timers/counters, and an ADC.

  3. Q: What are some typical applications of the AT89C51RB2-3CSUL? A: It can be used in various applications such as industrial control systems, home automation, robotics, automotive electronics, and consumer electronics.

  4. Q: How do I program the AT89C51RB2-3CSUL microcontroller? A: You can use an In-System Programmer (ISP) or a compatible development board with a programmer/debugger interface.

  5. Q: Can I use C language for programming the AT89C51RB2-3CSUL? A: Yes, you can use C language along with the Keil C51 compiler or other compatible compilers.

  6. Q: What is the maximum clock frequency supported by the AT89C51RB2-3CSUL? A: The microcontroller supports a maximum clock frequency of 40 MHz.

  7. Q: Does the AT89C51RB2-3CSUL have built-in peripherals? A: Yes, it has several built-in peripherals such as UART, SPI, I2C, timers/counters, and an ADC.

  8. Q: Can I interface external devices with the AT89C51RB2-3CSUL? A: Yes, you can interface external devices using the available I/O ports, UART, SPI, or I2C interfaces.

  9. Q: What is the power supply voltage range for the AT89C51RB2-3CSUL? A: The microcontroller operates on a power supply voltage range of 2.7V to 5.5V.

  10. Q: Is there any development board available for the AT89C51RB2-3CSUL? A: Yes, there are several development boards available that support the AT89C51RB2-3CSUL, providing easy prototyping and debugging capabilities.

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