AT89C4051-24SJ

Product Overview

Category

AT89C4051-24SJ belongs to the category of microcontrollers.

Use

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

Characteristics

• Low-power, high-performance 8-bit microcontroller
• Incorporates a versatile 4K Bytes Flash memory
• Features 128 Bytes of RAM and 32 programmable I/O lines
• Supports a wide range of operating voltages (2.7V to 6V)
• Offers a variety of communication interfaces such as UART, SPI, and I2C
• Provides on-chip timers/counters for precise timing operations

Package

AT89C4051-24SJ is available in a compact 20-pin plastic dual inline package (PDIP).

Essence

The essence of this microcontroller lies in its ability to efficiently control and manage electronic systems through its integrated features and capabilities.

Packaging/Quantity

AT89C4051-24SJ is typically packaged in reels or tubes, with each reel containing 250 units.

Specifications

• Architecture: 8-bit CMOS
• Clock Speed: 24 MHz
• Program Memory Size: 4K Bytes
• Data RAM Size: 128 Bytes
• Operating Voltage Range: 2.7V to 6V
• Number of I/O Lines: 32
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 2

Detailed Pin Configuration

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

Functional Features

• Flash memory for program storage
• RAM for data storage
• I/O lines for interfacing with external devices
• Communication interfaces for data exchange
• Timers/counters for precise timing operations
• Reset pin for system initialization

Advantages and Disadvantages

Advantages

• Low-power consumption
• High-performance operation
• Versatile communication interfaces
• Compact package size
• Wide operating voltage range

Disadvantages

• Limited program memory size (4K Bytes)
• Limited data RAM size (128 Bytes)

Working Principles

AT89C4051-24SJ operates based on the principles of a microcontroller. It executes instructions stored in its program memory to control and manage various electronic functions. The integrated features such as timers, communication interfaces, and I/O lines enable it to interact with external devices and perform specific tasks.

Detailed Application Field Plans

AT89C4051-24SJ finds applications in various fields, including but not limited to: - Home automation systems - Industrial control systems - Automotive electronics - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT89C4051-24SJ are: - AT89C2051-24SU - AT89S52-24PU - PIC16F877A-I/P - STM32F103C8T6

These models can be considered as alternatives based on specific requirements and compatibility with the target application.

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