PIC16F1936-E/SS

Overview

The PIC16F1936-E/SS is part of Microchip's enhanced mid-range 8-bit PIC microcontroller family. This 28-pin SSOP packaged device offers improved performance over baseline PIC MCUs while maintaining code compatibility. It features 14KB flash program memory, 512 bytes of RAM, and 256 bytes of EEPROM. The microcontroller operates at up to 32MHz with its internal oscillator and includes advanced peripherals such as a 10-bit ADC, multiple PWM modules, and communication interfaces (USART, SPI, I2C). Its enhanced core provides 49 instructions with a 16-level deep hardware stack.

Structure and Working Principle

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The PIC16F1936-E/SS follows Harvard architecture with separate program and data buses. The CPU fetches instructions from flash memory and executes them in a pipelined fashion, achieving single-cycle execution for most instructions. The device integrates analog and digital peripherals that can operate independently of the core. Clock generation can come from multiple sources including an internal 32MHz oscillator, external crystals, or resonator circuits. The flexible clock system allows power optimization through multiple speed and sleep modes. I/O pins are organized into ports with individual direction control and weak pull-up options.

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Key Features

This microcontroller stands out with its enhanced mid-range core that delivers up to 8 MIPS performance at 32MHz. It includes hardware multiplier and divider for faster math operations. The integrated peripherals include 14-channel 10-bit ADC, 3x 8-bit and 2x 16-bit PWM modules, and multiple communication interfaces. Power management features include multiple low-power modes (down to 20nA in sleep), idle modes, and peripheral module disable controls. The device offers robust operation from 2.0V to 5.5V, making it suitable for battery-powered applications. Development is supported by Microchip's MPLAB X IDE and extensive hardware tools.

Application Areas

The PIC16F1936-E/SS finds use in diverse embedded control applications. In industrial settings, it controls sensors, actuators, and small motor systems. Automotive applications include lighting control, basic sensor interfaces, and auxiliary systems where reliability is crucial. Consumer electronics applications range from appliance control to IoT edge devices. The analog capabilities make it suitable for basic signal conditioning and measurement tasks. Medical devices benefit from its low-power operation and integrated peripherals for portable instruments.

Maintenance and Precautions

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Proper handling of the PIC16F1936-E/SS requires ESD precautions during installation and maintenance. The SSOP package needs careful soldering with appropriate temperature profiles to prevent damage. PCB designs should include proper decoupling capacitors near power pins. Firmware should implement watchdog timers and brown-out reset protection for reliable operation. When using analog features, pay attention to grounding schemes and noise reduction techniques. For development, always verify voltage levels when interfacing with other devices.

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B2B Procurement Guide

When procuring PIC16F1936-E/SS microcontrollers in volume, verify the manufacturer's lead time and minimum order quantities. Consider authorized distributors to ensure genuine components, especially important for automotive or medical applications. Evaluate total solution costs including development tools, programming fixtures, and potential licensing needs. For long-term projects, check Microchip's product longevity program status. Alternative variants in different packages (DIP, QFN) may offer better availability or cost options.