P87C51FC-4A,512

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High-performance, low-power consumption, 8-bit architecture
• Package: 40-pin DIP (Dual In-line Package)
• Essence: Central processing unit for controlling electronic devices
• Packaging/Quantity: Individually packaged, quantity depends on order

Specifications

• Architecture: 8-bit
• Clock Speed: 12 MHz
• Program Memory Size: 4 KB
• Data Memory Size: 128 bytes
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The P87C51FC-4A,512 microcontroller has a total of 40 pins. The pin configuration is as follows:

1. VCC - Power supply voltage
2. P0.0 - Port 0, bit 0
3. P0.1 - Port 0, bit 1
4. P0.2 - Port 0, bit 2
5. P0.3 - Port 0, bit 3
6. P0.4 - Port 0, bit 4
7. P0.5 - Port 0, bit 5
8. P0.6 - Port 0, bit 6
9. P0.7 - Port 0, bit 7
10. RST - Reset input
11. XTAL1 - Crystal oscillator input
12. XTAL2 - Crystal oscillator output
13. P1.0 - Port 1, bit 0
14. P1.1 - Port 1, bit 1
15. P1.2 - Port 1, bit 2
16. P1.3 - Port 1, bit 3
17. P1.4 - Port 1, bit 4
18. P1.5 - Port 1, bit 5
19. P1.6 - Port 1, bit 6
20. P1.7 - Port 1, bit 7
21. EA/VPP - External Access/Programming Enable
22. ALE/PROG - Address Latch Enable/Program Pulse input
23. PSEN - Program Store Enable
24. P2.0 - Port 2, bit 0
25. P2.1 - Port 2, bit 1
26. P2.2 - Port 2, bit 2
27. P2.3 - Port 2, bit 3
28. P2.4 - Port 2, bit 4
29. P2.5 - Port 2, bit 5
30. P2.6 - Port 2, bit 6
31. P2.7 - Port 2, bit 7
32. P3.0 - Port 3, bit 0
33. P3.1 - Port 3, bit 1
34. P3.2 - Port 3, bit 2
35. P3.3 - Port 3, bit 3
36. P3.4 - Port 3, bit 4
37. P3.5 - Port 3, bit 5
38. P3.6 - Port 3, bit 6
39. P3.7 - Port 3, bit 7
40. GND - Ground

Functional Features

• High-performance 8-bit microcontroller suitable for control applications
• Low-power consumption for energy-efficient designs
• Wide operating voltage range allows flexibility in power supply options
• Multiple serial communication interfaces (UART, SPI, I2C) for easy integration with other devices
• On-chip timers/counters for precise timing and event management
• Ample program and data memory for storing instructions and variables
• Reset input for system initialization and recovery

Advantages and Disadvantages

Advantages: - High-performance architecture enables efficient execution of control algorithms - Low-power consumption extends battery life in portable applications - Versatile serial communication interfaces facilitate connectivity with external devices - Ample program and data memory allow for complex application development - Reset input ensures reliable system startup and recovery

Disadvantages: - Limited processing power compared to higher-bit microcontrollers - Small program memory size may restrict the complexity of applications - Limited number of I/O pins may limit the number of connected peripherals

Working Principles

The P87C51FC-4A,512 microcontroller operates based