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P87C51RB2BN,112
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P87C51RB2BN,112

Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics:
    • 8-bit microcontroller
    • High-performance CMOS technology
    • Low power consumption
    • Integrated peripherals
  • Package: DIP (Dual In-line Package)
  • Essence: Control and processing unit for embedded systems
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Architecture: 8051
  • CPU Speed: 12 MHz
  • Program Memory Size: 4 KB
  • RAM Size: 128 bytes
  • Data EEPROM Size: 256 bytes
  • I/O Pins: 32
  • Timers/Counters: 3
  • Serial Communication: UART
  • ADC Channels: 8-bit, 8 channels
  • Operating Voltage: 2.7V to 5.5V
  • Temperature Range: -40°C to +85°C

Pin Configuration

The P87C51RB2BN,112 microcontroller has a total of 40 pins. The pin configuration is as follows:

  1. P0.0
  2. P0.1
  3. P0.2
  4. P0.3
  5. P0.4
  6. P0.5
  7. P0.6
  8. P0.7
  9. RST
  10. PSEN
  11. ALE/PROG
  12. EA/VPP
  13. P2.0
  14. P2.1
  15. P2.2
  16. P2.3
  17. P2.4
  18. P2.5
  19. P2.6
  20. P2.7
  21. XTAL1
  22. XTAL2
  23. GND
  24. VCC
  25. P1.0
  26. P1.1
  27. P1.2
  28. P1.3
  29. P1.4
  30. P1.5
  31. P1.6
  32. P1.7
  33. RxD (UART)
  34. TxD (UART)
  35. INT0
  36. INT1
  37. T0
  38. T1
  39. WR
  40. RD

Functional Features

  • 8-bit CPU with Harvard architecture
  • On-chip program memory and data memory
  • Integrated UART for serial communication
  • Multiple timers/counters for precise timing operations
  • 8-channel, 8-bit ADC for analog signal acquisition
  • Interrupt support for efficient event handling
  • Power-saving modes for low power consumption
  • Wide operating voltage range for flexibility

Advantages and Disadvantages

Advantages

  • High-performance CMOS technology ensures efficient processing
  • Low power consumption extends battery life in portable applications
  • Integrated peripherals reduce external component count
  • Wide temperature range allows operation in harsh environments
  • Cost-effective solution for control applications

Disadvantages

  • Limited program memory size may restrict complex applications
  • Limited RAM size may limit data storage capacity
  • DIP package may require additional space compared to surface-mount packages
  • Lack of advanced features found in more modern microcontrollers

Working Principles

The P87C51RB2BN,112 microcontroller follows the working principles of the 8051 architecture. It executes instructions stored in its program memory and performs various tasks based on input/output operations. The integrated peripherals, such as UART, timers/counters, and ADC, enable the microcontroller to interact with external devices and perform control functions. The microcontroller operates at a specified clock speed and can be programmed using standard programming techniques.

Application Field Plans

The P87C51RB2BN,112 microcontroller finds applications in various fields, including:

  1. Industrial automation
  2. Home automation
  3. Robotics
  4. Automotive systems
  5. Consumer electronics
  6. Medical devices
  7. Security systems
  8. Internet of Things (IoT) devices

Its versatility and integrated features make it suitable for control applications that require reliable and efficient processing.

Alternative Models

There are several alternative models available that offer similar functionality to the P87C51RB2BN,112 microcontroller. Some popular alternatives include:

  1. AT89C51 - Atmel 8051-based microcontroller
  2. PIC16F877A - Microchip PIC microcontroller
  3. STM32F103 - STMicroelectronics ARM Cortex-M3 microcontroller
  4. MSP430G2553 - Texas Instruments MSP430 microcontroller

These alternative models provide different features, performance levels, and development ecosystems, allowing developers to choose the most suitable option for their specific requirements.

In conclusion, the P87C51RB2BN,112 microcontroller is an 8-bit control and

Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng P87C51RB2BN,112 sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of P87C51RB2BN,112 in technical solutions:

  1. Q: What is the P87C51RB2BN,112 microcontroller used for? A: The P87C51RB2BN,112 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 P87C51RB2BN,112? A: The P87C51RB2BN,112 supports a maximum clock frequency of 33 MHz.

  3. Q: How much program memory does the P87C51RB2BN,112 have? A: The P87C51RB2BN,112 has 8 KB of on-chip program memory.

  4. Q: Can I expand the program memory of the P87C51RB2BN,112? A: No, the P87C51RB2BN,112 does not support external program memory expansion.

  5. Q: How many I/O pins does the P87C51RB2BN,112 have? A: The P87C51RB2BN,112 has a total of 32 I/O pins.

  6. Q: Does the P87C51RB2BN,112 support analog-to-digital conversion? A: No, the P87C51RB2BN,112 does not have an on-chip ADC.

  7. Q: What communication interfaces are supported by the P87C51RB2BN,112? A: The P87C51RB2BN,112 supports UART (Universal Asynchronous Receiver/Transmitter) and SPI (Serial Peripheral Interface) communication interfaces.

  8. Q: Can I use the P87C51RB2BN,112 in battery-powered applications? A: Yes, the P87C51RB2BN,112 has low power consumption and can be used in battery-powered applications.

  9. Q: Does the P87C51RB2BN,112 have any on-chip timers/counters? A: Yes, the P87C51RB2BN,112 has three 16-bit timers/counters with various operating modes.

  10. Q: Is the P87C51RB2BN,112 compatible with other microcontrollers or development tools? A: Yes, the P87C51RB2BN,112 follows the standard 8051 architecture and is compatible with most 8051-based development tools and software.

Please note that the answers provided here are general and may vary depending on specific datasheet or technical documentation for the P87C51RB2BN,112 microcontroller.