AT89C55-24JC

Product Overview

Category

AT89C55-24JC 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
• Operates at a clock frequency of 24 MHz
• Features 20 programmable input/output (I/O) pins
• Offers 2 kilobytes of on-chip RAM
• Provides 20 kilobytes of Flash memory for program storage
• Supports both serial and parallel communication interfaces

Package

AT89C55-24JC is available in a 40-pin plastic dual in-line package (PDIP).

Essence

The essence of AT89C55-24JC lies in its ability to provide efficient and reliable control capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT89C55-24JC units.

Specifications

• Architecture: 8-bit
• Clock Frequency: 24 MHz
• Program Memory Size: 20 kilobytes (Flash)
• Data Memory Size: 2 kilobytes (RAM)
• I/O Pins: 20
• Communication Interfaces: Serial, Parallel
• Operating Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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. ALE/PROG
23. PSEN
24. EA/VPP
25. P2.0
26. P2.1
27. P2.2
28. P2.3
29. P2.4
30. P2.5
31. P2.6
32. P2.7
33. AVCC
34. ADC0
35. ADC1
36. ADC2
37. ADC3
38. ADC4
39. ADC5
40. AGND

Functional Features

• High-performance CPU with efficient instruction set
• Multiple I/O ports for versatile connectivity options
• On-chip Flash memory for program storage
• Built-in RAM for data storage and manipulation
• Support for both serial and parallel communication interfaces
• Timers and counters for precise timing operations
• Analog-to-Digital Converter (ADC) for analog signal processing
• Interrupt capability for handling real-time events
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• High clock frequency enables fast execution of instructions
• Ample program and data memory for complex applications
• Versatile I/O pins allow for flexible interfacing with external devices
• Support for multiple communication interfaces enhances connectivity options
• Efficient instruction set facilitates optimized code development
• Interrupt capability enables real-time event handling

Disadvantages

• Limited program and data memory compared to more advanced microcontrollers
• Lack of advanced features found in higher-end microcontrollers
• Limited availability of alternative models with similar specifications

Working Principles

AT89C55-24JC operates based on the principles of a typical microcontroller. It executes instructions stored in its Flash memory, manipulates data stored in RAM, and interacts with external devices through its I/O pins and communication interfaces. The CPU fetches instructions from memory, decodes them, and performs the necessary operations. Interrupts can be used to handle time-critical events, while timers and counters provide precise timing functionality.

Detailed Application Field Plans

AT89C55-24JC finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Home automation systems 3. Automotive electronics 4. Medical devices 5. Consumer electronics 6. Robotics 7. Internet of Things (IoT) devices 8. Embedded control systems

Detailed and Complete Alternative Models

While AT89C55-24JC is a reliable microcontroller, there are alternative models available that offer similar functionalities. Some notable alternatives include: 1. ATmega32 by Atmel 2. PIC16F877A by Microchip 3