PIC16LF873A-I/SP

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The PIC16LF873A-I/SP microcontroller is a powerful tool for embedded applications. It has a wide range of features, making it suitable for a variety of applications. This article will discuss the application field and working principle of the PIC16LF873A-I/SP.

Overview of the PIC16LF873A-I/SP

The PIC16LF873A-I/SP microcontroller is a low-cost, 8-bit, CMOS flash programmable device. It operates at 1.8V to 3.6V, offering flexibility for different operating requirements. It can be configured for up to 8K words of program memory, with up to 128 bytes of data RAM and 4096 bytes of data EEPROM. The PIC16LF873A-I/SP also has an I/O count of 28 including two serial ports, two Infrared ports, four 8-bit ports, and an I2C port.

Applications

The PIC16LF873A-I/SP is suitable for a variety of embedded applications. It can be used in automotive, factory automation, process control, medical, logic control, robotics, and human interfaces. In particular, it is well-suited for motor control, power supply control, and motor-drive applications.

The PIC16LF873A-I/SP can also be used in safety-critical applications due to its low-power operation, low output saturation voltage, and high immunity to ElectroMagnetic Interference (EMI). It is also applicable in portable systems due to its low-power operating modes, programmability, and code security features.

Working Principle

The PIC16LF873A-I/SP microcontroller works on the principle of flash programming. Instead of writing each instruction to memory, the instructions can be stored in the microcontroller’s flash memory and executed with a single instruction. This allows the user to write complex instructions with fewer instructions, reducing the number of instructions required for a specific operation.

The microcontroller also utilizes an interrupt system for event-driven processing and peripheral operations. Interrupts can be triggered by a variety of sources, including timer events, pin changes, and comparator outputs. Interrupts allow the processor to quickly respond to events without putting the system into a low-power state.

The PIC16LF873A-I/SP microcontroller also has enhanced security features to protect against unauthorized access. Data stored in the program memory is protected by a hardware-based Read-Protection scheme, which prevents unauthorized access to the microcontroller’s contents. The program memory can also be protected by a software-based Write-Protect, which blocks any attempts to modify the program memory.

Conclusion

The PIC16LF873A-I/SP microcontroller is a powerful and versatile tool for embedded applications. It has a wide range of features, including low-power modes, programmable I/O, programmability, security features, and interrupt system. This makes it suitable for a variety of applications, such as motor control, power supply control, and motor-drive applications.

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