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The PIC16F873-20I/SO is an 8-bit microcontroller that was designed with embedded applications in mind. This article will describe its application fields, and provide an explanation of the working principles of the device.

Application Fields

The PIC16F873-20I/SO is a great fit for embedded applications due to its low power consumption, good costumer support and availability, and its ability to handle various types of data. Some of the more common fields of application for this microcontroller include:

• Industrial automation and control systems
  • Scada systems
  • Process control
  • Robotics and automation
• Home automation
• Medical devices
• Automotive applications
• Consumer products
• Building and office automation

Working Principle

The PIC16F873-20I/SO is a single-chip 8-bit microcontroller with on-chip flash memory and analog-to-digital conversion capability. It is powered by a 7-stage pipeline that offers increased processing speed. The device includes a timer, watchdog timer, clock calender, and offers up to 2Kbytes of program memory, 128 bytes of data RAM, 8 channels of 10-bit Analog-to-Digital converter, and 32 I/O pins with 10-bit analog input.

The microcontroller can be configured with up to three modules: one 7-stage instruction pipe, one byte wide data bus, and one 8-bit functional register. The instruction pipe is responsible for fetching and executing instructions from the program memory. The data bus is used to transfer data to and from the registers and memory locations, while the functional register is used for various operations such as shifting, counting, etc..

The microcontroller is able to perform basic arithmetic operations, logic operations, program controlling, and low-level communication. It can be programmed in assembly language, C language, or some form of basic. In order to program the device, you need to use a development environment such as the MPLAB IDE or the Microchip Assembly Language Compiler (MPLAB ASM).

The PIC16F873-20I/SO is an excellent choice for anyone looking to develop applications in the embedded space. It offers fast performance, low power consumption, and flexibility to meet a wide range of applications.

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