AT87C51RD2-RDTUL

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance CMOS 8-bit microcontroller
  • Low-power consumption
  • Wide operating voltage range
  • Integrated peripherals for versatile applications
• Package: TQFP-44
• Essence: Advanced microcontroller for various control applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 33 MHz
• Program Memory Size: 64 KB
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• I/O Pins: 32
• Timers/Counters: 3
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT87C51RD2-RDTUL microcontroller has a total of 44 pins. The pin configuration is as follows:

1. P1.0
2. P1.1
3. P1.2
4. P1.3
5. P1.4
6. P1.5
7. P1.6
8. P1.7
9. RST
10. P3.0
11. P3.1
12. P3.2
13. P3.3
14. P3.4
15. P3.5
16. P3.6
17. P3.7
18. XTAL2
19. XTAL1
20. GND
21. VCC
22. EA/VPP
23. ALE/PROG
24. PSEN
25. P2.7
26. P2.6
27. P2.5
28. P2.4
29. P2.3
30. P2.2
31. P2.1
32. P2.0
33. AVCC
34. ADC0
35. ADC1
36. ADC2
37. ADC3
38. ADC4
39. ADC5
40. ADC6
41. ADC7
42. PSEN
43. P3.0
44. GND

Functional Features

• High-performance CMOS technology for efficient processing
• Low-power consumption for extended battery life
• Integrated peripherals such as UART, SPI, and I2C for versatile communication options
• On-chip timers/counters for precise timing applications
• Built-in analog-to-digital converter (ADC) for sensor interfacing
• Flexible I/O pins for easy integration with external devices
• Robust operating voltage range for compatibility with various power sources

Advantages

• High processing speed allows for quick execution of control algorithms
• Low-power consumption makes it suitable for battery-powered applications
• Wide operating voltage range enables usage in diverse environments
• Integrated peripherals simplify system design and reduce external component count
• Ample program memory and RAM size for complex control applications
• Versatile I/O pins provide flexibility in connecting to external devices

Disadvantages

• Limited program memory size compared to some other microcontrollers
• Relatively small RAM size may restrict the complexity of data manipulation
• TQFP package may require careful PCB layout and soldering techniques

Working Principles

The AT87C51RD2-RDTUL microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory and interacts with external devices through its I/O pins and integrated peripherals. The microcontroller can communicate with other devices using UART, SPI, or I2C interfaces. It also features timers/counters for precise timing applications and an ADC for analog sensor interfacing. The low-power CMOS technology ensures efficient operation while the wide operating voltage range allows for usage in various power supply conditions.

Detailed Application Field Plans

The AT87C51RD2-RDTUL microcontroller finds applications in a wide range of control systems and embedded projects. Some potential application fields include: - Industrial automation - Home automation - Robotics - Automotive electronics - Internet of Things (IoT) devices - Consumer electronics

Detailed and Complete Alternative Models

• AT89C51RD2: Similar microcontroller with slightly different pin configuration
• ATmega328P: 8-bit microcontroller with higher program memory size and more I/O pins
• PIC16F877A: Another popular 8-bit microcontroller with a different architecture and feature set

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