PIC17C42AT-16E/L

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Embedded systems, such as those using microcontrollers, have become ubiquitous and offer incredible benefits to consumers and industry alike. The PIC17C42AT-16E/L, a microcontroller manufactured by Microchip Technology Inc., is one such chip that is used in a variety of industries. This article will discuss the application field and working principle of the PIC17C42AT-16E/L.

The PIC17C42AT-16E/L is a 16-bit microcontroller comprised of a Harvard architecture, a single-cycle 8-bit ALU, full duplex USART, multiple timers, and plenty of program memory. This makes it suitable for use in a range of embedded projects, including medical equipment, motor controllers, printers, industrial control systems, and more. It is also used in audio and video codecs and signal processors, thanks to its low power consumption and excellent performance.

In terms of architecture, the PIC17C42AT-16E/L uses the Harvard architecture, which consists of separate data and instruction memory. This type of architecture allows for concurrent access to both memories, thus allowing for efficient execution of code and data manipulation. The chip is also equipped with a single-cycle 8-bit ALU, which enables high-speed computations.

As far as peripherals are concerned, the PIC17C42AT-16E/L contains multiple timers, an SPI, I²C, and USART for communication, as well as a pair of dedicated PWM channels and a parallel port. The timer module operates with a 6 bit prescaller, allowing for more precise timing control. Furthermore, the PIC17C42AT-16E/L supports up to 128K bytes of program memory with three separate code partitions. This allows the chip to run multiple tasks efficiently.

In terms of clock speed, the PIC17C42AT-16E/L operates in eight different speed grades, ranging from 3.5 MHz to 10 MHz. This allows users to choose the clock speed that best suits their application. It also has an on-chip 4 MHz RC oscillator, enabling a user to run the chip with no external clock source.

In terms of programming, the PIC17C42AT-16E/L supports both traditional assembly language programming and C language programming. The chip can also be programmed in the advanced interrupt driven mode, which allows multiple interrupts to be taken care of simultaneously. It also supports RTCC-standalone operation, allowing users to create real-time applications.

In short, the PIC17C42AT-16E/L is an excellent choice for a variety of embedded applications. It is highly efficient and offers ample flexibility for different tasks. With its multiple peripherals and wide speed range, the PIC17C42AT-16E/L is an excellent choice that is sure to meet almost any user’s needs.

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