PIC16C73AT-20/SO

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Nowadays, embedded systems are widely used in consumer products, industrial automation, medical field and other sections. Among these systems, microcontrollers like PIC16C73AT-20/SO plays a very important role in executing various tasks. This article will discuss the application field and working principle of PIC16C73AT-20/SO, and shed some light on the usage of it in embedded systems.

Application Field

PIC16C73AT-20/SO is an 8-bit CMOS microcontroller. This microcontroller is specifically designed for the applications where low cost, low power consumption and performance optimization are the requirements. Due to the features such as significant internal RAM, internal clock, EEPROM and Port multiplexing, it is suitable for the applications like consumer electronics, industrial automation and data logging. The PIC16C73AT-20/SO also offers various communication peripherals like additional UART and Parallel master port which make it possible to be used in various networking applications.

Apart from the above applications, the PIC16C73AT-20/SO can be used as a programmable logic device. The device contains a programmable logic unit (PLU) and a logic state machine (LSM), enabling it to be used as a programmable logic controller (PLC). PLCs are often used in industry automation, wherein the input signals from sensors and switches are programmed in the PIC16C73AT-20/SO before giving the output signal.

Working Principle

The working principle of PIC16C73AT-20/SO is based on its internal architecture. It has two conventional memory, code memory and data memory. The code memory stores the instructions for execution and the data memory stores the variables and data that are required by the program. The program is executed in a sequential manner. First the program counter points to the first location in the code memory and starts fetching the instructions and executing them one by one. As each instruction is executed, the program counter increases by one, and then points to the next location in the code memory, and this process continues until the program is completed.

Apart from code memory, the PIC16C73AT-20/SO also has several other components like ALU, timers, ports, interrupt controller, etc. The ALU is responsible for performing arithmetic operations like addition and subtraction, while the timers and ports provide additional functionalities like generating pulse width modulation and controlling the peripherals. The interrupt controller is responsible for providing an interrupt request to the CPU when a predefined event occurs, which is then serviced by the program. All these components combined together form the working architecture of the PIC16C73AT-20/SO.

Conclusion

In conclusion, PIC16C73AT-20/SO is a low cost, low power CMOS microcontroller which has been designed to execute a wide variety of tasks. It has several components like ALU, timers, ports and interrupt controller which facilitate the execution of the programs. It is often used in various applications like consumer electronics, industrial automation and data logging. The programmable architecture of the PIC16C73AT-20/SO also allows it to be used as a programmable logic device.

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