AT89C1051U-24PI

Product Overview

Category

The AT89C1051U-24PI belongs to the category of microcontrollers.

Use

It is primarily used for embedded systems and various electronic applications.

Characteristics

• Low-power, high-performance CMOS 8-bit microcontroller
• 4K bytes of in-system programmable Flash memory
• 128 bytes of RAM
• 15 programmable I/O lines
• Two 16-bit timer/counters
• Six interrupt sources
• Full-duplex UART serial channel
• On-chip oscillator and clock circuitry

Package

The AT89C1051U-24PI comes in a DIP (Dual In-line Package) format.

Essence

This microcontroller is designed to provide efficient processing capabilities for small-scale electronic projects.

Packaging/Quantity

The AT89C1051U-24PI is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 2.7V to 6V
• Maximum Clock Frequency: 24 MHz
• Flash Memory Size: 4K bytes
• RAM Size: 128 bytes
• Number of I/O Lines: 15
• Timer/Counter: Two 16-bit
• Interrupt Sources: Six
• Serial Channel: Full-duplex UART

Detailed Pin Configuration

The AT89C1051U-24PI has a total of 20 pins, each serving a specific purpose. 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 - Supply Voltage
11. XTAL1 - Crystal Oscillator Input
12. XTAL2 - Crystal Oscillator Output
13. GND - Ground
14. P3.0/RXD - Port 3, Pin 0 / Serial Receive Data
15. P3.1/TXD - Port 3, Pin 1 / Serial Transmit Data
16. P3.2/INT0 - Port 3, Pin 2 / External Interrupt 0
17. P3.3/INT1 - Port 3, Pin 3 / External Interrupt 1
18. P3.4/T0 - Port 3, Pin 4 / Timer 0
19. P3.5/T1 - Port 3, Pin 5 / Timer 1
20. P3.6/WR - Port 3, Pin 6 / Write Control

Functional Features

The AT89C1051U-24PI microcontroller offers several functional features, including:

• In-system programmable Flash memory for easy updates and modifications.
• Ample RAM capacity to support data storage and manipulation.
• Multiple I/O lines for interfacing with external devices.
• Timer/counters for precise timing and event management.
• Interrupt sources for handling real-time events.
• Full-duplex UART serial channel for communication purposes.
• On-chip oscillator and clock circuitry for accurate timing.

Advantages and Disadvantages

Advantages

• Low-power consumption, making it suitable for battery-powered applications.
• Compact size and DIP package for easy integration into various projects.
• In-system programmability allows for convenient updates and modifications.
• Ample I/O lines and memory capacity for versatile applications.

Disadvantages

• Limited processing power compared to higher-end microcontrollers.
• Smaller Flash memory size may restrict the complexity of programs.
• Lack of advanced peripherals and features found in more advanced microcontrollers.

Working Principles

The AT89C1051U-24PI operates based on the principles of a typical microcontroller. It executes instructions stored in its Flash memory, interacts with external devices through its I/O lines, and utilizes timers, interrupts, and serial communication for efficient operation. The on-chip oscillator provides the necessary clock signal for synchronization.

Detailed Application Field Plans

The AT89C1051U-24PI 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

Detailed and Complete Alternative Models

There are several alternative