P87C52SBAA,512

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: 8-bit microcontroller, low power consumption, high performance
• Package: 40-pin DIP (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 (Universal Asynchronous Receiver/Transmitter)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The P87C52SBAA,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)
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. XTAL2 (Crystal Oscillator Input)
19. XTAL1 (Crystal Oscillator Output)
20. GND (Ground)
21. P2.0 (Port 2, Pin 0)
22. P2.1 (Port 2, Pin 1)
23. P2.2 (Port 2, Pin 2)
24. P2.3 (Port 2, Pin 3)
25. P2.4 (Port 2, Pin 4)
26. P2.5 (Port 2, Pin 5)
27. P2.6 (Port 2, Pin 6)
28. P2.7 (Port 2, Pin 7)
29. EA/VPP (External Access Enable/Voltage Programming)
30. ALE/PROG (Address Latch Enable/Program Pulse)
31. PSEN (Program Store Enable)
32. P3.0 (Port 3, Pin 0)
33. P3.1 (Port 3, Pin 1)
34. P3.2 (Port 3, Pin 2)
35. P3.3 (Port 3, Pin 3)
36. P3.4 (Port 3, Pin 4)
37. P3.5 (Port 3, Pin 5)
38. P3.6 (Port 3, Pin 6)
39. P3.7 (Port 3, Pin 7)
40. VCC (Power Supply)

Functional Features

• 8-bit microcontroller with a wide range of applications
• Low power consumption for energy-efficient designs
• High-performance CPU for fast processing
• Ample program memory and RAM for storing instructions and data
• Multiple I/O pins for interfacing with external devices
• Built-in timers/counters for precise timing operations
• UART for serial communication with other devices
• Wide operating voltage range for flexibility in different systems
• Extended temperature range for reliable operation in harsh environments

Advantages and Disadvantages

Advantages: - Versatile microcontroller suitable for various control applications - Efficient power usage for battery-powered devices - Robust performance with the 8051 architecture - Sufficient memory and I/O capabilities for most embedded systems - Reliable operation across different voltage and temperature conditions

Disadvantages: - Limited program memory size compared to newer microcontrollers - Relatively small RAM capacity for complex applications - Lack of advanced features found in more modern microcontrollers

Working Principles

The P87C52SBAA,512 microcontroller operates based on the principles of the