PIC16F628-20/SS

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PIC16F628-20/SS Application Field and Working Principle

The PIC16F628-20/SS is one of the most widely used and versatile embedded microcontrollers on the market today. It is designed to make it easier for users to use microcontrollers in wide range of applications, from consumer products to industrial applications. It has a variety of features that make it well-suited for a wide range of applications.

Application Field

The PIC16F628-20/SS is an 8-bit microcontroller that is suitable for numerous products ranging from consumer-level applications to industrial applications. It has been integrated into a number of consumer devices such as thermostats, digital cameras, and advanced audio and video equipment. Additionally, it can be used in industrial applications such as motor control and data acquisition systems. Many of the applications that can be served with an 8-bit microcontroller do not require a high-performance processor and thus benefit from the simple and low-cost design of the PIC16F628-20/SS.

Features

The PIC16F628-20/SS has a slew of features that make it suitable for use in a variety of applications. It operates at 5 Volts and has an operating frequency of 20 MHz, making it one of the fastest 8-bit microcontrollers available on the market today. Additionally, it has 2K of ROM, 128 bytes of RAM, four 8-bit timers, one 16-bit timer, 4-channel 10-bit Analog-to-Digital converter and an on-chip oscillator. It also has an in-circuit serial programming port, which is a feature that can save time and money when used for in-field programming.

Working Principle

The PIC16F628-20/SS is based on a Harvard Architecture, which consists of separated memory systems for both data and program instructions. The data is kept in the RAM, while the instructions are stored in the program memory (ROM). When the microcontroller is powered on, the Reset pin activates the program counter, which points to the memory address of the first instruction. The instruction is then fetched and decoded by the control section and then executed. This process is repeated, so that the instructions are executed in sequence, until all instructions have been executed. This process is known as the instruction cycle and it ensures that the instructions are executed in the same sequence as they were written in the program memory.

Conclusion

The PIC16F628-20/SS is a highly versatile microcontroller with a wide range of applications. It is capable of running at a frequency of 20MHz, it has a Harvard Architecture and it has various useful features such as 3 timers, an oscillator and an Analog-to-Digital converter. Additionally, it has low power consumption, making it suitable for applications where power is a concern. As such, the PIC16F628-20/SS is sure to remain a widely used microcontroller for many years to come.

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