NXP USA Inc.
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P87C51RD2BBD,157
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P87C51RD2BBD,157

Basic Information Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics: 8-bit microcontroller, high-performance, low-power consumption
  • Package: DIP (Dual In-line Package)
  • Essence: Central processing unit for controlling electronic devices
  • Packaging/Quantity: Individual units

Specifications

  • Architecture: 8051
  • CPU Speed: 33 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
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The P87C51RD2BBD,157 microcontroller has a total of 40 pins. The pin configuration is as follows:

  1. EA/VPP
  2. ALE/PROG
  3. PSEN
  4. P2.7/A15
  5. P2.6/A14
  6. P2.5/A13
  7. P2.4/A12
  8. P2.3/A11
  9. P2.2/A10
  10. P2.1/A9
  11. P2.0/A8
  12. P1.7/TXD
  13. P1.6/RXD
  14. P1.5/T2
  15. P1.4/T2EX
  16. P1.3/INT1
  17. P1.2/INT0
  18. P1.1/WR
  19. P1.0/RD
  20. GND
  21. XTAL2
  22. XTAL1
  23. VCC
  24. P0.7/AD7
  25. P0.6/AD6
  26. P0.5/AD5
  27. P0.4/AD4
  28. P0.3/AD3
  29. P0.2/AD2
  30. P0.1/AD1
  31. P0.0/AD0
  32. RST

Functional Features

  • High-performance 8-bit CPU with a wide range of instructions
  • On-chip program memory and data memory
  • Multiple timers/counters for precise timing operations
  • Serial communication interfaces for connecting to other devices
  • Interrupt capability for handling real-time events
  • Low-power consumption for energy-efficient applications
  • Flexible I/O pins for interfacing with external components

Advantages and Disadvantages

Advantages: - Powerful and versatile microcontroller suitable for various control applications - Wide operating voltage range allows compatibility with different power sources - Ample program memory size for storing complex algorithms - Low-power consumption extends battery life in portable devices

Disadvantages: - Limited RAM size may restrict the complexity of data manipulation - 8-bit architecture may not be sufficient for certain demanding applications - DIP package may require additional space compared to surface-mount packages

Working Principles

The P87C51RD2BBD,157 microcontroller operates based on the 8051 architecture. It executes instructions stored in its program memory and manipulates data stored in its data memory. The CPU fetches instructions from program memory, performs calculations, and controls the flow of execution. It communicates with external devices through its I/O pins and serial communication interfaces. Interrupts can be used to handle time-critical events. The microcontroller operates within the specified voltage and temperature ranges.

Detailed Application Field Plans

The P87C51RD2BBD,157 microcontroller is widely used in various embedded systems and control applications. Some of its application fields include: - Industrial automation - Home automation - Robotics - Automotive electronics - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

  • P89C51RD2BN,112
  • AT89C51RD2-RLTUM
  • PIC16F877A-I/P
  • MSP430G2553IPW28R
  • STM32F103C8T6

These alternative models offer similar functionalities and can be considered as alternatives to the P87C51RD2BBD,157 microcontroller.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P87C51RD2BBD,157 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of P87C51RD2BBD,157 in technical solutions:

  1. Q: What is P87C51RD2BBD,157? A: P87C51RD2BBD,157 is a microcontroller from the 8051 family, manufactured by NXP Semiconductors.

  2. Q: What are the key features of P87C51RD2BBD,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 applications can P87C51RD2BBD,157 be used for? A: P87C51RD2BBD,157 can be used in various applications such as industrial automation, consumer electronics, automotive systems, home appliances, and more.

  4. Q: How do I program P87C51RD2BBD,157? A: P87C51RD2BBD,157 can be programmed using assembly language or high-level languages like C. You would need an appropriate development toolchain and programmer.

  5. Q: Can I use P87C51RD2BBD,157 for real-time applications? A: Yes, P87C51RD2BBD,157 can be used for real-time applications as it has multiple timers/counters and interrupt capabilities.

  6. Q: What is the maximum clock frequency supported by P87C51RD2BBD,157? A: P87C51RD2BBD,157 supports a maximum clock frequency of 33 MHz.

  7. Q: Does P87C51RD2BBD,157 have any built-in communication interfaces? A: Yes, P87C51RD2BBD,157 has built-in UART (Universal Asynchronous Receiver/Transmitter) for serial communication.

  8. Q: Can I expand the memory of P87C51RD2BBD,157? A: No, the on-chip Flash memory and RAM of P87C51RD2BBD,157 cannot be expanded externally.

  9. Q: What is the power supply voltage range for P87C51RD2BBD,157? A: The power supply voltage range for P87C51RD2BBD,157 is typically 4.5V to 5.5V.

  10. Q: Is P87C51RD2BBD,157 still in production? A: It's best to check with NXP Semiconductors or authorized distributors for the current availability of P87C51RD2BBD,157 as it may vary over time.

Please note that these answers are based on general knowledge and may vary depending on specific datasheet or technical documentation for P87C51RD2BBD,157.