PIC16F1939-I/PT – Integrated Circuit – Microchip Technology

PIC16F Series 28 kB Flash 1 KB RAM 32 MHz 32-Bit Microcontroller – TQFP-44

PIC16F1939-I/PT – 8-Bit Microcontroller with XLP™ Technology – Microchip Technology

Optimize your embedded designs with Microchip’s PIC16F1939-I/PT, a high-performance 8-bit microcontroller featuring extreme low-power (XLP) technology. Ideal for energy-sensitive applications, this IC delivers robust processing at 32MHz with flexible 1.8V–5.5V operation and integrated peripherals. PCX guarantees authentic Microchip components with same-day shipping and dedicated technical support.

Key Features

• Core: 8-bit PIC® processor @ 32MHz clock speed
• Ultra-Low Power: XLP™ technology for battery-critical systems
• Memory: 28KB Flash, 1KB RAM, 256B EEPROM
• Voltage Range: 1.8V to 5.5V operation (Vcc/Vdd)
• I/O & Connectivity: 36 programmable pins + I2C/SPI/UART/LINbus interfaces
• Data Conversion: 14-channel 10-bit ADC

Technical Details

This surface-mount microcontroller in a 44-TQFP package (10x10mm) integrates essential peripherals including Brown-out Reset, Power-on Reset, PWM generators, LCD drivers, and Watchdog Timer. It operates across an industrial temperature range (-40°C to +85°C) and utilizes an internal oscillator, reducing external component requirements. Program memory is FLASH-based with 16K x 14 organization, supporting in-circuit serial programming (ICSP). Datasheet available at PCXCo.com/downloads/PIC16F1939

Typical Applications

• Battery-powered IoT sensors and wearables
• Industrial control systems and automation
• Consumer electronics (remote controls, appliances)
• Medical handheld diagnostic devices
• Automotive accessory controllers

About Microchip Technology

Microchip Technology is a global leader in microcontroller and analog semiconductor solutions, renowned for innovation in low-power and mixed-signal technologies. With over 30 years of industry leadership, their products set benchmarks for reliability in mission-critical embedded systems.

Microchip’s rigorous quality control and comprehensive development ecosystem—including MPLAB® IDE and production-ready code libraries—ensure design longevity and reduced time-to-market. Their PIC® MCU portfolio, trusted by Fortune 500 manufacturers, delivers consistent performance across industrial, automotive, and consumer applications.

About 8-Bit Microcontrollers

8-bit microcontrollers remain essential for cost-optimized embedded designs requiring precise control and minimal power consumption. Their simplified architecture enables rapid development while maintaining robust performance for real-time processing tasks in constrained environments.

In applications like sensor hubs, motor control, and user interfaces, 8-bit MCUs offer an optimal balance of processing capability, energy efficiency, and peripheral integration. Modern variants like Microchip’s PIC16F series incorporate advanced features such as XLP™ technology, making them ideal successors to legacy systems in next-generation designs.

Packaging

Available in protective trays for automated assembly. Contact PCX for reel options or bulk quantities.

Frequently Asked Questions

Q: What makes XLP™ technology significant?
A: XLP enables nanoamp-level sleep currents, extending battery life in portable devices by years.

Q: Is this MCU suitable for 3.3V and 5V systems?
A: Yes, its wide voltage range (1.8V–5.5V) supports mixed-voltage designs without level shifters.

Q: Can I migrate from PIC16F1937 to this IC?
A: Yes, the PIC16F1939 offers pin compatibility with enhanced memory and peripheral features.

Q: What development tools are recommended?
A: Microchip’s MPLAB® X IDE with PICkit™ 4 programmer supports full code debugging.

Q: Does it include hardware PWM controllers?
A: Yes, integrated Enhanced Capture/Compare PWM (ECCP) modules support motor control.

Q: Are samples available?
A: PCX provides expedited sampling—contact our support team for requests.

⚠️ Note: Product images are representational; verify specifications in datasheet.

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