AT89LP51RD2-20AU

Product Overview

Category

The AT89LP51RD2-20AU belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• High-performance 8-bit microcontroller
• Low-power consumption
• Enhanced features for efficient code execution
• Integrated peripherals for versatile application development

Package

The AT89LP51RD2-20AU is available in a compact and durable package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of this microcontroller lies in its ability to provide reliable and efficient control and processing capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

The AT89LP51RD2-20AU is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Architecture: 8-bit
• CPU Speed: 20 MHz
• Flash Memory: 64 KB
• RAM: 2 KB
• Operating Voltage: 2.7V to 5.5V
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The AT89LP51RD2-20AU has a total of 32 I/O pins, each serving specific functions. The detailed pin configuration is as follows:

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. P1.0 - Port 1, Pin 0
10. P1.1 - Port 1, Pin 1
11. P1.2 - Port 1, Pin 2
12. P1.3 - Port 1, Pin 3
13. P1.4 - Port 1, Pin 4
14. P1.5 - Port 1, Pin 5
15. P1.6 - Port 1, Pin 6
16. P1.7 - Port 1, Pin 7
17. P2.0 - Port 2, Pin 0
18. P2.1 - Port 2, Pin 1
19. P2.2 - Port 2, Pin 2
20. P2.3 - Port 2, Pin 3
21. P2.4 - Port 2, Pin 4
22. P2.5 - Port 2, Pin 5
23. P2.6 - Port 2, Pin 6
24. P2.7 - Port 2, Pin 7
25. P3.0 - Port 3, Pin 0
26. P3.1 - Port 3, Pin 1
27. P3.2 - Port 3, Pin 2
28. P3.3 - Port 3, Pin 3
29. P3.4 - Port 3, Pin 4
30. P3.5 - Port 3, Pin 5
31. P3.6 - Port 3, Pin 6
32. P3.7 - Port 3, Pin 7

Functional Features

• High-speed processing capabilities for efficient code execution
• Integrated timers/counters for precise timing control
• Versatile serial communication interfaces (UART, SPI, I2C) for data exchange
• Analog-to-Digital Converter (ADC) for accurate analog signal measurement
• Programmable I/O pins for flexible interfacing with external devices
• Low-power consumption modes for energy-efficient operation

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for various applications
• Low-power consumption extends battery life in portable devices
• Enhanced features optimize code execution efficiency
• Integrated peripherals simplify system design and reduce component count

Disadvantages

• Limited RAM capacity may restrict complex application development
• Lack of advanced features found in higher-end microcontrollers

Working Principles

The AT89LP51RD2-20AU operates based on the principles of a typical microcontroller. It executes instructions stored in its flash memory,