PIC17C766-16/PT

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Application Field and Working Principle of PIC17C766-16/PT

Embedded microcontrollers play a significant role in all kinds of applications, from vehicle control systems to industrial automation. In this article, we will discuss the application field and working principle of the PIC17C766-16/PT, a high-performance 16-bit CMOS microcontroller from Microchip Technology Inc.

Application Field

The PIC17C766-16/PT is designed to provide a wide range of solutions for use in embedded applications. It is suitable for consumer, commercial, and industrial applications due to its rich peripheral set and low power consumption. It features a high-performance 16-bit instruction set, 16-bit wide data bus, and high speed up to 25MHz. It is also compatible with multiple serial interfaces, such as UART, SPI, I2C and CAN bus. It has a large program memory, up to 128K of on-chip Flash memory for boot-strap and application code. It also comes with up to 2.5K bytes of RAM for data storage. The device also offers programmable interrupt sources, real-time clock, eight priority levels, and four levels of interrupt nesting. All these features make the PIC17C766-16/PT a suitable choice for embedded applications.

Working Principle

The PIC 17C766-16/PT is a powerful embedded microcontroller that includes a high-performance 16-bit instruction set. At the core, it contains a 16-bit data bus, with 8-bit and 16-bit modes enabled. This data bus is used to provide communication between the internal registers and the ports, RAM and ROM blocks, and other peripherals. It also contains a 2-level priority interrupt architecture, which enables the microcontroller to respond to interrupts from the peripherals quickly. It also supports multiple programmable timer/counter modules, which are used to create various time-based events in the system.

The PIC17C766-16/PT is programmed using a 16-bit assembly language, which is generated using the assemblers and linkers. The device can also be programmed using a low-level C compiler. The device contains a 6-stage pipeline, which enables executing of multiple instructions simultaneously and enables uninterrupted instruction execution. The device also contains a watchdog timer, which is used to reset the device when it fails to work correctly.

The software side includes the device driver, which is responsible for controlling the peripherals, setting the different modes, accessing the memory, etc. The device also provides the capability to read and write data into the EEPROM blocks, which are used to store application data in a nonvolatile manner.

Conclusion

The PIC17C766-16/PT is an excellent embedded microcontroller choice for applications requiring low power consumption and high performance. It is suitable for control systems, data acquisition, automotive control, communication interfaces, and many other industrial and consumer applications. With its large number of peripherals, high speed, and wide range of instructions, it provides a great solution for a variety of embedded applications.

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