PIC16F73-I/SO

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Microcontrollers are embedded electronic systems that form the foundation of many modern, sophisticated electronic appliances. The PIC16F73-I/SO microcontroller is a particularly versatile version that can be used in a wide range of applications. This article will discuss the application field of the PIC16F73-I/SO microcontroller, as well as its basic working principle.

Application Field

The PIC16F73-I/SO microcontroller can be used in a variety of applications, including both low-end and high-end projects. For example, it can be used in basic electronic devices such as remote control units, home appliances, toys, and audio devices. It is also suitable for more complex devices such as medical instruments, data loggers, and smart meters. Its advantageous features, such as its low pin count, small package, and good performance, make it an optimal choice for these applications.

The PIC16F73-I/SO microcontroller is also a popular choice for automotive applications such as power window controllers, vehicle sensors, and airbag controllers. Its low-power consumption feature and its support for sophisticated safety features make it a preferred choice for vehicles with limited space and power. Additionally, its compatibility with many specialized protocols is an advantage for automotive applications.

Working Principle

The PIC16F73-I/SO microcontroller is a single-chip 16-bit programmable microcontroller based on the Harvard architecture. In this architecture, the program memory and data memory are separated, thus allowing the microcontroller to execute instructions stored in the program memory while directly accessing data stored in the data memory And fetching instruction from program memory while executing. This kind of architecture provides greater flexibility as data can be directly accessed while instructions are still being fetched.

The microcontroller has two main components: the finite-state machine (FSM) and the program memory. The FSM is responsible for controlling the different peripherals, such as timer/counter, A/D converter, PWM, etc., and executes the program stored in the program memory. The program memory stores the instructions and data that the FSM requires to execute a given program. The program memory can be programmed externally via an In-Circuit Serial Programmer (ICSP), or directly via an external programmer.

Once programmed, the microcontroller can be powered up using external power supply, battery, or solar cell. After the microcontroller has been powered up, it will begin to execute instructions stored in its program memory. Depending on the application, the automation process may be initiated with a button press or the passage of time. Once the process has begun, the microcontroller will execute instructions until an event happens (e.g. a button press) or a timeout period has been reached.

Conclusion

The PIC16F73-I/SO microcontroller is a versatile microcontroller that can be used in a wide range of applications, from low-end remote control units to complex automotive controllers. Its Harvard architecture provides great flexibility, while its In-Circuit Serial Programming (ICSP) feature allows it to be programmed externally or directly. With these advantages, the PIC16F73-I/SO microcontroller will remain a reliable and popular choice for a variety of applications.

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