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P87C51RC2BBD,157
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P87C51RC2BBD,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: 8-bit microcontroller with on-chip Flash memory and I²C interface
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Architecture: 8051
  • CPU Speed: 12 MHz
  • Program Memory Size: 8 KB
  • RAM Size: 256 bytes
  • Data EEPROM Size: 2 KB
  • I/O Pins: 32
  • Timers/Counters: 3
  • Serial Communication: UART, SPI
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
  • Operating Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The P87C51RC2BBD,157 microcontroller has a total of 40 pins. Here is the detailed pin configuration:

  1. EA/VPP: External Access Enable / Programming Supply Voltage
  2. ALE/PROG: Address Latch Enable / Program Pulse Input
  3. PSEN: Program Store Enable
  4. P2.7/A15: Port 2.7 / Address Bit 15
  5. P2.6/A14: Port 2.6 / Address Bit 14
  6. P2.5/A13: Port 2.5 / Address Bit 13
  7. P2.4/A12: Port 2.4 / Address Bit 12
  8. P2.3/A11: Port 2.3 / Address Bit 11
  9. P2.2/A10: Port 2.2 / Address Bit 10
  10. P2.1/A9: Port 2.1 / Address Bit 9
  11. P2.0/A8: Port 2.0 / Address Bit 8
  12. P1.7/TXD: Port 1.7 / Transmit Data
  13. P1.6/RXD: Port 1.6 / Receive Data
  14. P1.5/T2: Port 1.5 / Timer 2 External Input
  15. P1.4/T2EX: Port 1.4 / Timer 2 Capture/Reload Trigger
  16. P1.3/INT1: Port 1.3 / External Interrupt 1
  17. P1.2/INT0: Port 1.2 / External Interrupt 0
  18. P1.1/T0: Port 1.1 / Timer 0 External Input
  19. P1.0/T1: Port 1.0 / Timer 1 External Input
  20. GND: Ground
  21. XTAL2: Crystal Oscillator Output
  22. XTAL1: Crystal Oscillator Input
  23. VCC: Power Supply Voltage
  24. RST: Reset Input
  25. P3.7/AD7: Port 3.7 / Analog-to-Digital Converter Channel 7
  26. P3.6/AD6: Port 3.6 / Analog-to-Digital Converter Channel 6
  27. P3.5/AD5: Port 3.5 / Analog-to-Digital Converter Channel 5
  28. P3.4/AD4: Port 3.4 / Analog-to-Digital Converter Channel 4
  29. P3.3/AD3: Port 3.3 / Analog-to-Digital Converter Channel 3
  30. P3.2/AD2: Port 3.2 / Analog-to-Digital Converter Channel 2
  31. P3.1/AD1: Port 3.1 / Analog-to-Digital Converter Channel 1
  32. P3.0/AD0: Port 3.0 / Analog-to-Digital Converter Channel 0
  33. P0.7/AIN7: Port 0.7 / Analog Input Channel 7
  34. P0.6/AIN6: Port 0.6 / Analog Input Channel 6
  35. P0.5/AIN5: Port 0.5 / Analog Input Channel 5
  36. P0.4/AIN4: Port 0.4 / Analog Input Channel 4
  37. P0.3/AIN3: Port 0.3 / Analog Input Channel 3
  38. P0.2/AIN2: Port 0.2 / Analog Input Channel 2
  39. P0.1/AIN1: Port 0.1 / Analog Input Channel

技術ソリューションにおける P87C51RC2BBD,157 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of P87C51RC2BBD,157 in technical solutions:

  1. Q: What is P87C51RC2BBD,157? A: P87C51RC2BBD,157 is a microcontroller from the 8051 family, manufactured by NXP Semiconductors.

  2. Q: What are the key features of P87C51RC2BBD,157? A: Some key features include 8-bit CPU, 64KB on-chip flash memory, 256 bytes of RAM, multiple timers/counters, UART, SPI, I2C interfaces, and more.

  3. Q: What are the typical applications of P87C51RC2BBD,157? A: P87C51RC2BBD,157 is commonly used in various applications such as industrial control systems, automotive electronics, home automation, consumer electronics, and more.

  4. Q: How can I program P87C51RC2BBD,157? A: P87C51RC2BBD,157 can be programmed using standard 8051 assembly language or high-level languages like C. You will need an appropriate programmer and development tools.

  5. Q: Can I use P87C51RC2BBD,157 for real-time applications? A: Yes, P87C51RC2BBD,157 is suitable for real-time applications due to its built-in timers/counters and interrupt handling capabilities.

  6. Q: Does P87C51RC2BBD,157 support communication protocols like UART, SPI, and I2C? A: Yes, P87C51RC2BBD,157 has built-in hardware support for UART (serial communication), SPI (serial peripheral interface), and I2C (inter-integrated circuit) communication protocols.

  7. Q: What is the maximum clock frequency supported by P87C51RC2BBD,157? A: P87C51RC2BBD,157 can operate at a maximum clock frequency of 33 MHz.

  8. Q: Can I use P87C51RC2BBD,157 in low-power applications? A: Yes, P87C51RC2BBD,157 offers power-saving modes and features like idle mode, power-down mode, and wake-up from external interrupts, making it suitable for low-power applications.

  9. Q: Are there any development tools available for P87C51RC2BBD,157? A: Yes, NXP provides development tools like IDEs (Integrated Development Environments), compilers, debuggers, and programmers specifically designed for programming and debugging P87C51RC2BBD,157.

  10. Q: Is P87C51RC2BBD,157 still in production? A: It's best to check with the manufacturer or authorized distributors for the current availability of P87C51RC2BBD,157 as product availability may vary over time.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and specifications.