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P87C51RB2BA,512
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P87C51RB2BA,512

Basic Information Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics: High-performance, low-power consumption, versatile
  • Package: 40-pin DIP (Dual In-line Package)
  • Essence: 8-bit microcontroller with on-chip Flash memory and I/O ports
  • Packaging/Quantity: Individual units in anti-static packaging

Specifications

  • Architecture: 8051
  • CPU Speed: 12 MHz
  • Program Memory Size: 8 KB
  • RAM Size: 256 bytes
  • Number of I/O Ports: 32
  • Timers/Counters: 3
  • Serial Communication: UART (Universal Asynchronous Receiver/Transmitter)
  • ADC (Analog-to-Digital Converter): 8 channels, 10-bit resolution
  • Operating Voltage: 2.7V to 5.5V

Detailed Pin Configuration

The P87C51RB2BA,512 microcontroller has a total of 40 pins. The pin configuration is as follows:

  1. EA/VPP - External Access Enable / Programming Supply Voltage
  2. ALE/PROG - Address Latch Enable / Program Pulse
  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
  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 1
  40. P0.0/AIN0 - Port 0

技術ソリューションにおける P87C51RB2BA,512 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 P87C51RB2BA,512 in technical solutions:

  1. Q: What is the P87C51RB2BA,512 microcontroller used for? A: The P87C51RB2BA,512 microcontroller is commonly used in various technical solutions that require embedded control and processing capabilities.

  2. Q: What is the maximum clock frequency supported by the P87C51RB2BA,512? A: The P87C51RB2BA,512 supports a maximum clock frequency of 33 MHz.

  3. Q: How much program memory does the P87C51RB2BA,512 have? A: The P87C51RB2BA,512 has 8 KB of on-chip program memory.

  4. Q: Can I expand the program memory of the P87C51RB2BA,512? A: No, the P87C51RB2BA,512 does not support external program memory expansion.

  5. Q: How much RAM does the P87C51RB2BA,512 have? A: The P87C51RB2BA,512 has 256 bytes of on-chip RAM.

  6. Q: Can I expand the RAM of the P87C51RB2BA,512? A: No, the P87C51RB2BA,512 does not support external RAM expansion.

  7. Q: What type of communication interfaces does the P87C51RB2BA,512 support? A: The P87C51RB2BA,512 supports UART (Universal Asynchronous Receiver/Transmitter) and I2C (Inter-Integrated Circuit) communication interfaces.

  8. Q: Does the P87C51RB2BA,512 have any analog-to-digital converter (ADC) capabilities? A: No, the P87C51RB2BA,512 does not have an on-chip ADC.

  9. Q: Can I use the P87C51RB2BA,512 in battery-powered applications? A: Yes, the P87C51RB2BA,512 has low power consumption and can be used in battery-powered applications.

  10. Q: What development tools are available for programming the P87C51RB2BA,512? A: Various development tools, such as integrated development environments (IDEs) and compilers, are available for programming the P87C51RB2BA,512 in popular programming languages like C or assembly.

Please note that these answers are based on general information about the P87C51RB2BA,512 microcontroller. It is always recommended to refer to the specific datasheet and documentation provided by the manufacturer for accurate and detailed information.