P87C54X2BA,512

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems and control applications
• Characteristics:
  • 8-bit microcontroller
  • High-performance CMOS technology
  • Low power consumption
  • Wide operating voltage range
• Package: 40-pin DIP (Dual Inline Package)
• Essence: A versatile microcontroller for various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Architecture: 8051
• CPU Speed: 12 MHz
• Program Memory Size: 8 KB
• RAM Size: 256 bytes
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART (Universal Asynchronous Receiver Transmitter)
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The P87C54X2BA,512 microcontroller has a total of 40 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | P0.0 | General Purpose I/O | | 2 | P0.1 | General Purpose I/O | | 3 | P0.2 | General Purpose I/O | | ... | ... | ... | | 39 | XTAL2 | Crystal Oscillator Output | | 40 | VCC | Power Supply |

Functional Features

• 8-bit data bus and ALU (Arithmetic Logic Unit)
• On-chip program memory and RAM
• Multiple timers/counters for precise timing operations
• UART for serial communication
• Interrupt support for efficient event handling
• GPIO (General Purpose Input/Output) pins for interfacing with external devices
• Power-saving modes to reduce energy consumption

Advantages and Disadvantages

Advantages

• High-performance CMOS technology ensures efficient operation
• Low power consumption extends battery life in portable applications
• Wide operating voltage range allows flexibility in power supply options
• Versatile I/O capabilities enable interfacing with various peripherals
• On-chip program memory eliminates the need for external storage

Disadvantages

• Limited program memory size may restrict complex application development
• Relatively small RAM size may limit data storage capacity
• Lack of advanced features compared to modern microcontrollers
• 8-bit architecture may not be suitable for computationally intensive tasks

Working Principles

The P87C54X2BA,512 microcontroller is based on the 8051 architecture. It operates by executing instructions stored in its on-chip program memory. The CPU fetches instructions, performs calculations using the ALU, and interacts with peripherals through I/O ports. Interrupts can be used to handle time-critical events. The microcontroller communicates with external devices via UART and controls timing operations using timers/counters.

Detailed Application Field Plans

The P87C54X2BA,512 microcontroller finds applications in various fields, including: - Industrial automation - Home automation - Automotive systems - Consumer electronics - Medical devices - Robotics - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the P87C54X2BA,512 microcontroller are: - AT89C51 from Atmel - PIC16F877A from Microchip - STM32F103C8T6 from STMicroelectronics - MSP430G2553 from Texas Instruments - LPC1768 from NXP Semiconductors

These alternative models offer similar functionalities and can be used as replacements depending on specific requirements.

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