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AT89C51RE2-RLTUM
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AT89C51RE2-RLTUM

Product Overview

Category

The AT89C51RE2-RLTUM belongs to the category of microcontrollers.

Use

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

Characteristics

  • High-performance 8-bit microcontroller
  • Low-power consumption
  • Enhanced features for real-time control applications
  • Flash memory for program storage
  • Multiple I/O ports for interfacing with external devices

Package

The AT89C51RE2-RLTUM is available in a compact and durable package, suitable for surface mount technology (SMT) applications.

Essence

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

Packaging/Quantity

The AT89C51RE2-RLTUM is typically packaged in reels or tubes, containing a specific quantity of microcontrollers per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 40 MHz
  • Program Memory Size: 64 KB
  • RAM Size: 2 KB
  • Number of I/O Pins: 32
  • Operating Voltage Range: 2.7V to 5.5V
  • Communication Interfaces: UART, SPI, I2C
  • Timers/Counters: 3
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The AT89C51RE2-RLTUM has a total of 44 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. VSS - Ground
  10. VCC - Power Supply
  11. XTAL1 - Crystal Oscillator Input
  12. XTAL2 - Crystal Oscillator Output
  13. RST - Reset Input
  14. P1.0 - Port 1, Pin 0
  15. P1.1 - Port 1, Pin 1
  16. P1.2 - Port 1, Pin 2
  17. P1.3 - Port 1, Pin 3
  18. P1.4 - Port 1, Pin 4
  19. P1.5 - Port 1, Pin 5
  20. P1.6 - Port 1, Pin 6
  21. P1.7 - Port 1, Pin 7
  22. EA/VPP - External Access Enable/Voltage Programming Pin
  23. ALE/PROG - Address Latch Enable/Program Pulse
  24. PSEN - Program Store Enable
  25. P2.0 - Port 2, Pin 0
  26. P2.1 - Port 2, Pin 1
  27. P2.2 - Port 2, Pin 2
  28. P2.3 - Port 2, Pin 3
  29. P2.4 - Port 2, Pin 4
  30. P2.5 - Port 2, Pin 5
  31. P2.6 - Port 2, Pin 6
  32. P2.7 - Port 2, Pin 7
  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

The AT89C51RE2-RLTUM offers several functional features that enhance its usability and performance:

  1. Flash Memory: The microcontroller has a built-in flash memory for storing the program code, allowing

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT89C51RE2-RLTUM i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AT89C51RE2-RLTUM in technical solutions:

  1. Q: What is the AT89C51RE2-RLTUM microcontroller used for? A: The AT89C51RE2-RLTUM is a microcontroller commonly used in various technical solutions, such as embedded systems, industrial automation, robotics, and IoT applications.

  2. Q: What is the maximum clock frequency supported by the AT89C51RE2-RLTUM? A: The AT89C51RE2-RLTUM supports a maximum clock frequency of 40 MHz.

  3. Q: How much program memory does the AT89C51RE2-RLTUM have? A: The AT89C51RE2-RLTUM has 64 KB of Flash program memory.

  4. Q: Can I expand the program memory of the AT89C51RE2-RLTUM? A: No, the program memory of the AT89C51RE2-RLTUM cannot be expanded externally.

  5. Q: How many I/O pins does the AT89C51RE2-RLTUM have? A: The AT89C51RE2-RLTUM has a total of 32 I/O pins.

  6. Q: Does the AT89C51RE2-RLTUM support analog-to-digital conversion (ADC)? A: Yes, the AT89C51RE2-RLTUM has an integrated 10-bit ADC with 8 multiplexed channels.

  7. Q: What communication interfaces are available on the AT89C51RE2-RLTUM? A: The AT89C51RE2-RLTUM supports UART (Universal Asynchronous Receiver/Transmitter) and SPI (Serial Peripheral Interface) communication interfaces.

  8. Q: Can I use the AT89C51RE2-RLTUM for real-time applications? A: Yes, the AT89C51RE2-RLTUM has built-in timers and interrupt capabilities, making it suitable for real-time applications.

  9. Q: What voltage levels does the AT89C51RE2-RLTUM operate at? A: The AT89C51RE2-RLTUM operates at a voltage range of 2.7V to 5.5V.

  10. Q: Is the AT89C51RE2-RLTUM programmable in C language? A: Yes, the AT89C51RE2-RLTUM can be programmed using various programming languages, including C, Assembly, and BASIC.

Please note that these answers are based on general knowledge about the AT89C51RE2-RLTUM microcontroller. It's always recommended to refer to the official datasheet and documentation for accurate and detailed information.