P87C52X2FBD,157

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High-performance, low-power consumption
• Package: 40-pin DIP (Dual In-line Package)
• Essence: Integrated circuit for controlling and managing electronic devices
• Packaging/Quantity: Individual units in anti-static packaging

Specifications

• Architecture: 8-bit
• 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
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC - Power supply voltage
2. GND - Ground
3. XTAL1 - Crystal oscillator input
4. XTAL2 - Crystal oscillator output
5. RST - Reset input
6. P0.0 - Port 0, Pin 0
7. P0.1 - Port 0, Pin 1
8. P0.2 - Port 0, Pin 2
9. P0.3 - Port 0, Pin 3
10. P0.4 - Port 0, Pin 4
11. P0.5 - Port 0, Pin 5
12. P0.6 - Port 0, Pin 6
13. P0.7 - Port 0, Pin 7
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. 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. EA/VPP - External Access Enable / Programming Voltage
31. ALE/PROG - Address Latch Enable / Program Pulse
32. PSEN - Program Store Enable
33. P3.0/RXD - Port 3, Pin 0 / Serial Receive Data
34. P3.1/TXD - Port 3, Pin 1 / Serial Transmit Data
35. P3.2/INT0 - Port 3, Pin 2 / External Interrupt 0
36. P3.3/INT1 - Port 3, Pin 3 / External Interrupt 1
37. P3.4/T0 - Port 3, Pin 4 / Timer 0
38. P3.5/T1 - Port 3, Pin 5 / Timer 1
39. P3.6/WR - Port 3, Pin 6 / Write Control
40. P3.7/RD - Port 3, Pin 7 / Read Control

Functional Features

• High-performance 8-bit microcontroller with a 12 MHz CPU speed
• Low-power consumption for energy-efficient applications
• Ample program memory size of 8 KB for storing instructions
• Sufficient RAM size of 256 bytes for data storage and manipulation
• Multiple I/O pins (32) for interfacing with external devices
• Built-in timers/counters (3) for precise timing operations
• Support for serial communication protocols like UART, SPI, and I2C
• Wide operating voltage range (2.7V to 5.5V) for flexibility
• Extended temperature range (-40°C to +85°C) for various environments

Advantages

• High-performance capabilities enable efficient processing of tasks
• Low-power consumption extends battery life in portable applications
• Sufficient program memory and RAM for complex control algorithms
• Versatile I/O pins allow for flexible interfacing with peripherals
• Built-in timers/counters facilitate accurate timing operations
• Support for multiple serial communication protocols enhances connectivity