Microchip PIC16LF1947-I/PT: A Comprehensive Technical Overview

The Microchip PIC16LF1947-I/PT represents a robust and versatile offering within Microchip's extensive mid-range 8-bit PIC microcontroller family. Housed in a 44-pin TQFP package, this device is engineered for applications demanding low-power operation, a rich set of peripherals, and reliable performance in embedded control systems. This overview delves into its core architecture, key features, and target applications.

At the heart of the PIC16LF1947 lies the enhanced nanoWatt XLP Technology core. This foundational technology is critical, enabling extremely low power consumption across all operating modes: Run, Idle, and Sleep. This makes the microcontroller exceptionally suited for battery-powered and energy-harvesting applications where longevity is paramount, such as remote sensors, medical devices, and consumer electronics.

The device is built upon an 8-bit RISC architecture, operating at a maximum frequency of 32 MHz, and offers 56 KB of self-read/write capable Flash program memory and 4 KB of RAM. A standout feature is its Complementary Waveform Generator (CWG) module, which provides sophisticated control for motor drives and power conversion circuits by generating non-overlapping, complementary PWM signals with dead-band control. This is further enhanced by multiple Capture/Compare/PWM (CCP) modules and a 5-channel 10-bit Analog-to-Digital Converter (ADC), providing ample resources for precise analog signal measurement and digital control.

Communication flexibility is ensured through integrated serial communication modules, including EUSART (for LIN bus support), I2C, and SPI, allowing for seamless connectivity with a vast array of sensors, memory chips, and other peripherals. Furthermore, the inclusion of mTouch capacitive sensing hardware facilitates the implementation of robust touch interfaces without requiring external components, simplifying design for modern user interfaces.

The combination of its low-power core, advanced control peripherals like the CWG, and versatile communication interfaces positions the PIC16LF1947-I/PT as an ideal solution for a diverse range of markets. It is particularly powerful in applications such as motor control systems, intelligent sensing, power management, and automotive subsystems.

ICGOOODFIND: The PIC16LF1947-I/PT is a highly integrated, low-power 8-bit MCU that excels in control-oriented applications. Its standout features, including the nanoWatt XLP core for ultra-low power consumption, the advanced Complementary Waveform Generator for precise motor control, and integrated capacitive touch sensing, make it a compelling choice for designers tackling the challenges of power-efficient and connected embedded systems.

Keywords: Low-Power MCU, nanoWatt XLP Technology, Complementary Waveform Generator (CWG), Capacitive Touch Sensing, Embedded Control.