PIC17C43T-25I/PQ

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The PIC17C43T-25I/PQ microcontroller is an integrated circuit specifically designed for applications that are sensitive to cost, and feature requirements. It is a single-chip 8-bit flash microcontroller from Microchip Technology. It is part of Microchip\'s PIC17CXX family of devices, which are based on the enhanced mid-range core architecture with on-chip peripheral modules like a capture/compare/PWM module and several other pin-configurable, fully-software supported peripherals, making it a great choice for embedded applications.

The PIC17C43T-25I/PQ microcontroller has an operating voltage range of 2.0V to 5.5V and the typical operating current of 100 µA/MHz. It is available in a 28-pin PDIP, SOIC, SSOP, QFN, and TSSOP package. It supports up to 32K code memory with Flash program memory and 512 words of Internal RAM memory.

The PIC17C43T-25I/PQ is a highly reliable device, ideal for low-cost applications. It can be used in a wide range of applications due to its integrated peripheral modules, such as motor control, AC/DC motor control, embedded systems, and general-purpose embedded applications.

Application Fields

The PIC17C43T-25I/PQ microcontroller is used in a wide range of applications, including the ones mentioned below:

• Motor Control: It can be used to control permanent-magnet synchronous motors, stepper motors, etc. for applications like HVAC systems and automotive applications.
• Data Acquisition Systems: The microcontroller can be used in industrial, medical, and home automation applications for data acquisition solutions and process control.
• Embedded Systems: It can be used for applications such as LED lighting, LED dimming, security systems, and more.
• Robotics: The onboard PWM module, ADC peripheral, and several configurable GPIOs make it suitable for robotic applications.

Working Principle

The main components of the PIC17C43T-25I/PQ microcontroller include the central processing unit (CPU), random access memory (RAM), read-only memory (ROM), input/output ports, interrupts, timers/counters, and other programmable peripherals.

The CPU manages the operation of the microcontroller by executing instructions that are stored in the program memory. It uses a RISC (Reduced Instruction Set Computing) architecture, where each instruction is executed in one clock cycle. The program memory consists of a flash memory, which is non-volatile, and can hold up to 32K of code. The RAM is used to store data for use by the CPU, and can hold up to 512 words. The ROM contains a bootloader, which is used to configure the microcontroller for operation.

The input/output ports are used to interface with external circuits and devices. These ports can be configured through software as either inputs or outputs, and can be programmed with various functions, such as configuring interrupts, setting up timers and counters, and setting the duty cycle for PWM signals. The microcontroller has several internal peripherals, such as a capture/compare module, ADC, USCI module, and various others, that allow it to interface with external devices and circuits.

The microcontroller is capable of detecting and responding to an event or request, using an interrupt. It has two levels of interrupts, maskable and non-maskable. The maskable interrupts can be disabled by the CPU, while the non-maskable interrupts are always enabled. The microcontroller also has several timer/counters, which can be used to generate periodic interrupts, or count the number of pulses from an external source.

The PIC17C43T-25I/PQ microcontroller is an 8-bit microcontroller, which is ideal for embedded and cost-sensitive applications. It has several integrated peripherals, such as a capture/compare/PWM module, ADC, and USCI module, which make it suitable for a wide range of applications. It also has an integrated interrupt controller, timer/counter modules, and several configurable GPIOs, making it an excellent choice for embedded applications.

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