AT89C4051-24SC

Product Overview

Category

The AT89C4051-24SC belongs to the category of microcontrollers.

Use

It is commonly used in various electronic applications that require a microcontroller for processing and controlling functions.

Characteristics

• The AT89C4051-24SC is a high-performance, low-power CMOS 8-bit microcontroller.
• It operates at a clock frequency of up to 24 MHz.
• It has 4KB of Flash memory for program storage.
• The microcontroller supports both serial and parallel programming modes.
• It features 128 bytes of RAM for data storage.
• The device offers 15 programmable input/output (I/O) pins.
• It includes two 16-bit timer/counters for precise timing operations.
• The microcontroller supports both interrupt-driven and polled I/O operations.

Package

The AT89C4051-24SC is available in a small outline package (SOIC) format.

Essence

The essence of the AT89C4051-24SC lies in its ability to provide a compact and efficient solution for embedded control applications.

Packaging/Quantity

The microcontroller is typically packaged in reels or tubes, with each containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Microcontroller Type: 8-bit CMOS
• Clock Frequency: Up to 24 MHz
• Program Memory: 4KB Flash
• Data Memory: 128 bytes RAM
• I/O Pins: 15
• Timers/Counters: 2 x 16-bit
• Programming Modes: Serial and Parallel

Detailed Pin Configuration

The AT89C4051-24SC microcontroller has a total of 20 pins. The pin configuration is as follows:

1. P1.0 (Pin 1) - Port 1, Pin 0
2. P1.1 (Pin 2) - Port 1, Pin 1
3. P1.2 (Pin 3) - Port 1, Pin 2
4. P1.3 (Pin 4) - Port 1, Pin 3
5. P1.4 (Pin 5) - Port 1, Pin 4
6. P1.5 (Pin 6) - Port 1, Pin 5
7. P1.6 (Pin 7) - Port 1, Pin 6
8. P1.7 (Pin 8) - Port 1, Pin 7
9. RST (Pin 9) - Reset Pin
10. VCC (Pin 10) - Supply Voltage
11. P3.0 (Pin 11) - Port 3, Pin 0
12. P3.1 (Pin 12) - Port 3, Pin 1
13. P3.2 (Pin 13) - Port 3, Pin 2
14. P3.3 (Pin 14) - Port 3, Pin 3
15. P3.4 (Pin 15) - Port 3, Pin 4
16. P3.5 (Pin 16) - Port 3, Pin 5
17. P3.6 (Pin 17) - Port 3, Pin 6
18. P3.7 (Pin 18) - Port 3, Pin 7
19. XTAL2 (Pin 19) - Crystal Oscillator Output
20. XTAL1 (Pin 20) - Crystal Oscillator Input

Functional Features

The AT89C4051-24SC microcontroller offers the following functional features:

1. High-performance CMOS technology for efficient processing.
2. Low-power consumption for energy-efficient operation.
3. Ample program memory for storing application code.
4. Sufficient data memory for temporary storage of variables and data.
5. Multiple I/O pins for interfacing with external devices.
6. Timer/counters for precise timing operations.
7. Support for interrupt-driven and polled I/O operations.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for embedded applications.
• Ample program memory allows for complex application code.
• Versatile I/O capabilities enable interfacing with various external devices.
• Interrupt support enhances real-time responsiveness.

Disadvantages

• Limited RAM capacity may restrict the complexity of data manipulation.
• Lack of built-in peripherals may require additional components for certain applications.
• Limited clock frequency may impact performance in high-speed applications.

Working Principles

The AT89C4051-24SC microcontroller operates based on the principles of digital logic and microcontroller architecture. It executes instructions stored in its program memory, interacts with external devices through