Microchip PIC16F1936-E/ML 8-Bit Microcontroller Technical Overview and Application Guide

The Microchip PIC16F1936-E/ML is a powerful and versatile 8-bit microcontroller from Microchip Technology’s extensive PIC® MCU portfolio. Housed in a compact 28-pin QFN (5x5mm) package, this device is engineered to deliver high performance, low power consumption, and a rich set of peripherals, making it an ideal solution for a wide array of embedded control applications in consumer, industrial, and automotive markets.

Core Architecture and Performance

At its heart, the PIC16F1936 utilizes an enhanced mid-range 8-bit RISC CPU core.

This core operates at up to 32 MHz, achieving a performance level of 8 MIPS. A significant architectural advantage is the inclusion of a 16-level deep hardware stack and 49 instructions, which streamline subroutine handling and improve code execution efficiency. The core also features an interrupt capability with multiple internal and external interrupt sources, allowing for responsive real-time event handling.

Memory Configuration

The microcontroller is equipped with robust memory resources to support complex applications:

14 KB of self-read/write Flash program memory for flexible firmware storage and potential bootloader functionality.

512 bytes of RAM for data manipulation during runtime.

256 bytes of non-volatile EEPROM data memory for storing critical parameters that must be retained even after a power cycle.

Advanced Analog and Digital Peripherals

The PIC16F1936-E/ML stands out with its highly integrated peripheral set, reducing the need for external components and simplifying system design.

Analog Capabilities: It includes a 10-bit Analog-to-Digital Converter (ADC) with up to 14 channels, enabling precise measurement of multiple analog sensors. The module features a ±1 LSb DNL and a dedicated internal oscillator for autonomous conversion timing. Additionally, it boasts two analog comparators with programmable references and a Capture/Compare/PWM (CCP) module.

Timing and Control: The device contains multiple timers (Timer0, Timer1, Timer2) and an Enhanced Capture/Compare/PWM (ECCP) module, which is essential for motor control and power conversion applications.

Communication Interfaces: For seamless connectivity, it integrates a Master Synchronous Serial Port (MSSP) that can be configured as either I²C or SPI, and an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) supporting RS-485, RS-232, and LIN protocols.

Enhanced Low-Power and Robustness Features

A key strength of this MCU is its focus on power efficiency and operational resilience.

nanoWatt XLP Technology: This technology enables extremely low power consumption in Sleep mode, making it perfect for battery-powered applications.

Enhanced Watchdog Timer (WDT) and Programmable Brown-Out Reset (BOR) enhance system reliability by recovering from code execution errors and unstable power conditions.

mTouch™ Capacitive Sensing: The controller incorporates hardware-assisted capacitive sensing functionality, allowing for the easy implementation of robust touch interfaces without external components.

Application Guide

The combination of its peripheral set and low-power features makes the PIC16F1936-E/ML suitable for a diverse range of applications:

Consumer Electronics: Remote controls, touch panels, and smart home devices.

Industrial Control: Sensor interfaces, actuators, motor control units, and power management systems.

Automotive: Interior body control modules, such as dashboard controls and lighting systems.

Internet of Things (IoT): Simple connected sensor nodes leveraging its communication peripherals and low-power modes.

ICGOOODFIND

The Microchip PIC16F1936-E/ML is a highly integrated and efficient 8-bit microcontroller that successfully balances processing power, peripheral richness, and energy economy. Its robust feature set, including advanced analog, communication interfaces, and hardware touch sensing, provides designers with a flexible platform for creating innovative and reliable embedded solutions across numerous industries.

Keywords:

1. 8-bit Microcontroller

2. nanoWatt XLP Technology

3. Enhanced Peripherals

4. mTouch Sensing

5. Embedded Control