AT89C1051-24SC

Product Overview

Category

The AT89C1051-24SC 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 CMOS 8-bit microcontroller
• 1K bytes of Flash memory
• 2.7V to 6V operating voltage range
• 128 bytes of RAM
• 15 programmable I/O lines
• Two 16-bit timer/counters
• Six interrupt sources
• 20-pin small outline integrated circuit (SOIC) package

Packaging/Quantity

The AT89C1051-24SC is typically packaged in a small outline integrated circuit (SOIC) package. It is available in quantities suitable for both individual and industrial use.

Specifications

• Microcontroller: AT89C1051-24SC
• Memory: 1K bytes of Flash, 128 bytes of RAM
• Operating Voltage Range: 2.7V to 6V
• Number of I/O Lines: 15
• Timer/Counters: Two 16-bit
• Interrupt Sources: Six
• Package Type: SOIC
• Package Pin Count: 20

Detailed Pin Configuration

The AT89C1051-24SC microcontroller has a total of 20 pins. The pin configuration is as follows:

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. VCC - Power Supply
11. XTAL1 - Crystal Oscillator Input
12. XTAL2 - Crystal Oscillator Output
13. GND - Ground
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

The AT89C1051-24SC microcontroller offers the following functional features:

• Low-power consumption
• High-performance CMOS technology
• Flash memory for program storage
• RAM for data storage
• Programmable I/O lines for interfacing with external devices
• Timer/counters for precise timing operations
• Interrupt sources for handling external events
• Small form factor package for space-constrained applications

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• High-performance CMOS technology ensures efficient operation.
• Ample program and data storage capabilities.
• Versatile I/O lines allow for flexible interfacing.
• Precise timing operations with timer/counters.
• Interrupt sources enable efficient event handling.

Disadvantages

• Limited program and data memory compared to higher-end microcontrollers.
• Relatively fewer I/O lines may restrict the number of external devices that can be connected.

Working Principles

The AT89C1051-24SC microcontroller operates based on the principles of digital logic and embedded control systems. It executes instructions stored in its Flash memory to perform specific tasks. The microcontroller interacts with external devices through its I/O lines, utilizing timers/counters for precise timing operations. Interrupt sources allow the microcontroller to respond to external events promptly.

Detailed Application Field Plans

The AT89C1051-24SC microcontroller finds applications in various fields, including but not limited to:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Medical devices
5. Consumer electronics
6. Robotics
7. Internet of Things (IoT) devices
8. Sensor networks
9. Embedded systems development
10. Educational projects

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the AT89C1051-24SC microcontroller. Some notable alternatives include:

1. ATmega328P - Microcontroller from Atmel with higher memory capacity and additional features.
2. PIC16F877A - Microcontroller from Microchip with enhanced peripherals