AT89LP51-20MU

Product Overview

Category

AT89LP51-20MU belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 8-bit microcontroller
• Low-power consumption
• Integrated Flash memory for program storage
• Multiple I/O ports for interfacing with external components
• Built-in timers and counters for precise timing operations
• Serial communication interfaces for data transfer
• On-chip analog-to-digital converter (ADC) for sensor integration

Package

AT89LP51-20MU is available in a compact and durable package, suitable for surface mount technology (SMT) applications.

Essence

The essence of AT89LP51-20MU lies in its ability to provide efficient control and processing capabilities in a wide range of electronic systems.

Packaging/Quantity

This 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

• Architecture: 8-bit
• Clock Speed: 20 MHz
• Program Memory Size: 8 KB
• RAM Size: 512 bytes
• Data EEPROM Size: 256 bytes
• Operating Voltage: 2.7V to 5.5V
• Number of I/O Pins: 32
• ADC Resolution: 10-bit
• Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The AT89LP51-20MU microcontroller has a total of 32 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. P0.0 - Port 0, Pin 0
2. P0.1 - Port 0, Pin 1
3. P0.2 - Port 0, Pin 2
4. P0.3 - Port 0, Pin 3
5. P0.4 - Port 0, Pin 4
6. P0.5 - Port 0, Pin 5
7. P0.6 - Port 0, Pin 6
8. P0.7 - Port 0, Pin 7
9. VSS - Ground
10. VCC - Power Supply
11. XTAL1 - Crystal Oscillator Input
12. XTAL2 - Crystal Oscillator Output
13. RST - Reset Input
14. P1.0 - Port 1, Pin 0
15. P1.1 - Port 1, Pin 1
16. P1.2 - Port 1, Pin 2
17. P1.3 - Port 1, Pin 3
18. P1.4 - Port 1, Pin 4
19. P1.5 - Port 1, Pin 5
20. P1.6 - Port 1, Pin 6
21. P1.7 - Port 1, Pin 7
22. ALE/PROG - Address Latch Enable/Program Pulse
23. PSEN - Program Store Enable
24. EA/VPP - External Access Enable/Programming Voltage
25. P2.0 - Port 2, Pin 0
26. P2.1 - Port 2, Pin 1
27. P2.2 - Port 2, Pin 2
28. P2.3 - Port 2, Pin 3
29. P2.4 - Port 2, Pin 4
30. P2.5 - Port 2, Pin 5
31. P2.6 - Port 2, Pin 6
32. P2.7 - Port 2, Pin 7

Functional Features

• High-speed processing capabilities for efficient data handling
• Flexible I/O ports for interfacing with various external components
• Integrated timers and counters for precise timing operations
• Serial communication interfaces for seamless data transfer
• On-chip ADC for analog sensor integration
• Low-power consumption for energy-efficient applications
• Built-in Flash memory for program storage and easy firmware updates

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for a wide range of applications
• Low-power consumption extends battery life in portable devices
• Integrated Flash memory allows for easy firmware updates
• Multiple I/O ports provide flexibility in system design
• On-chip ADC simplifies analog sensor integration

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Limited RAM size may impose constraints on data storage and manipulation
• Lack of advanced features found in higher-end microcontrollers

Working Principles

AT89LP51-20MU operates based on the principles of digital logic and