P89LV51RD2BA,512

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: 8-bit microcontroller, low power consumption, high performance
• Package: 40-pin PDIP (Plastic Dual In-line Package)
• Essence: Integrated circuit for controlling and managing electronic devices
• Packaging/Quantity: Individually packaged, quantity depends on supplier

Specifications

• Architecture: 8051
• CPU Speed: 12 MHz
• Program Memory Size: 8 KB
• RAM Size: 256 bytes
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• ADC Channels: 8-bit, 8 channels
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The P89LV51RD2BA,512 microcontroller has a total of 40 pins. 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. RST - Reset Pin
10. P1.0 - Port 1, Pin 0
11. P1.1 - Port 1, Pin 1
12. P1.2 - Port 1, Pin 2
13. P1.3 - Port 1, Pin 3
14. P1.4 - Port 1, Pin 4
15. P1.5 - Port 1, Pin 5
16. P1.6 - Port 1, Pin 6
17. P1.7 - Port 1, Pin 7
18. XTAL1 - Crystal Oscillator Input
19. XTAL2 - Crystal Oscillator Output
20. GND - Ground
21. VCC - Power Supply
22. P2.0 - Port 2, Pin 0
23. P2.1 - Port 2, Pin 1
24. P2.2 - Port 2, Pin 2
25. P2.3 - Port 2, Pin 3
26. P2.4 - Port 2, Pin 4
27. P2.5 - Port 2, Pin 5
28. P2.6 - Port 2, Pin 6
29. P2.7 - Port 2, Pin 7
30. ALE/PROG - Address Latch Enable/Program Pin
31. PSEN - Program Store Enable Pin
32. EA/VPP - External Access/Programming Voltage Supply
33. P3.0 - Port 3, Pin 0
34. P3.1 - Port 3, Pin 1
35. P3.2 - Port 3, Pin 2
36. P3.3 - Port 3, Pin 3
37. P3.4 - Port 3, Pin 4
38. P3.5 - Port 3, Pin 5
39. P3.6 - Port 3, Pin 6
40. P3.7 - Port 3, Pin 7

Functional Features

• 8-bit microcontroller with a wide range of peripherals and features
• Low power consumption for energy-efficient applications
• High-performance CPU for fast execution of instructions
• Multiple communication interfaces (UART, SPI, I2C) for data exchange
• On-chip ADC for analog signal conversion
• Timers and counters for precise timing and event counting
• Flexible I/O pins for interfacing with external devices
• Built-in memory for program storage and data handling

Advantages and Disadvantages

Advantages: - Versatile microcontroller suitable for various embedded control applications - Low power consumption extends battery life in portable devices - Rich set of peripherals and communication interfaces simplify system design - Compact package size allows for space-efficient designs

Disadvantages: - Limited program memory size may restrict the complexity of applications - Relatively small RAM size may limit the amount of data that can be processed - Lack of advanced features found in more modern microcontrollers

Working Principles

The P89