AT89C51RC-24PU

Product Overview

Category

The AT89C51RC-24PU 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
• Compatible with industry-standard MCS-51 instruction set
• Operates at a clock frequency of 24 MHz
• Offers 4 KB of Flash memory for program storage
• Provides 128 bytes of RAM for data storage
• Supports a wide range of input/output (I/O) options
• Incorporates on-chip peripherals such as timers, serial communication interface, and interrupt controller

Package

The AT89C51RC-24PU is available in a 40-pin DIP (Dual Inline Package) format.

Essence

This microcontroller serves as the core component in many electronic devices, enabling them to perform complex tasks efficiently.

Packaging/Quantity

The AT89C51RC-24PU is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Architecture: 8-bit
• Clock Frequency: 24 MHz
• Program Memory Size: 4 KB
• Data Memory Size: 128 bytes
• I/O Pins: 32
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT89C51RC-24PU has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

1. P0.0
2. P0.1
3. P0.2
4. P0.3
5. P0.4
6. P0.5
7. P0.6
8. P0.7
9. RST
10. P1.0
11. P1.1
12. P1.2
13. P1.3
14. P1.4
15. P1.5
16. P1.6
17. P1.7
18. XTAL2
19. XTAL1
20. GND
21. VCC
22. P2.0
23. P2.1
24. P2.2
25. P2.3
26. P2.4
27. P2.5
28. P2.6
29. P2.7
30. ALE/PROG
31. PSEN
32. EA/VPP
33. P3.0
34. P3.1
35. P3.2
36. P3.3
37. P3.4
38. P3.5
39. P3.6
40. P3.7

Functional Features

The AT89C51RC-24PU offers the following functional features:

1. High-performance CPU: The microcontroller's 8-bit CPU provides efficient execution of instructions.
2. Flash Memory: The on-chip Flash memory allows for easy reprogramming of the microcontroller.
3. RAM: The built-in RAM enables temporary data storage during program execution.
4. I/O Ports: The microcontroller supports multiple I/O pins, allowing for versatile connectivity with external devices.
5. Timers/Counters: On-chip timers and counters facilitate precise timing and event counting operations.
6. Serial Communication Interface: The microcontroller includes a serial interface for communication with other devices.
7. Interrupt Controller: The integrated interrupt controller manages interrupts from various sources, enhancing system responsiveness.

Advantages and Disadvantages

Advantages

• High-performance CPU for efficient execution of instructions
• Ample program and data memory for versatile applications
• Wide range of I/O options for connectivity with external devices
• On-chip peripherals simplify system design and reduce component count
• Compatibility with industry-standard instruction set ensures ease of programming

Disadvantages

• Limited program and data memory compared to more advanced microcontrollers
• Relatively lower clock frequency compared to some modern microcontrollers
• Lack of advanced features found in higher-end microcontrollers

Working Principles

The AT89C51RC-24PU operates based on the principles of a typical microcontroller. It executes instructions stored in its Flash memory, processes data using its CPU, and interacts with external devices through its I/O ports. The microcontroller's working principles involve fetching instructions, decoding them, executing the required operations, and updating the necessary registers and memory locations.

Detailed Application Field Plans

The AT89C51RC-24PU finds extensive application in various fields, including but not limited to:

1. Industrial Automation: Controlling and monitoring industrial processes and machinery.
2. Consumer Electronics