Microchip PIC16F19196-I/PT: A Comprehensive Technical Overview
The Microchip PIC16F19196-I/PT represents a significant offering within the mid-range 8-bit PIC® microcontroller family, engineered to deliver a powerful blend of core independent peripherals (CIPs), advanced analog integration, and robust connectivity options. Housed in a 48-pin TQFP package, this device is tailored for a wide array of embedded control applications, from industrial automation and automotive systems to consumer electronics and Internet of Things (IoT) endpoints.
Core Architecture and Performance
At its heart, the PIC16F19196 utilizes an enhanced mid-range core with a 16-level deep hardware stack and 49 instructions. Operating at a maximum frequency of 32 MHz, it achieves a performance of 8 MIPS. This core is augmented by Memory Access Partition (MAP) technology, which enhances security and firmware upgradeability by allowing designated application and boot memory sections to be protected or locked. The device is equipped with 56 KB of self-read/write capable Flash program memory and 4 KB of RAM, providing ample space for complex applications.
Advanced Core Independent Peripherals (CIPs)
A defining characteristic of this microcontroller is its rich set of CIPs, designed to offload tasks from the CPU, thereby maximizing system efficiency and deterministic response.
Complementary Waveform Generator (CWG): Outputs complementary PWM signals with dead-band control, ideal for driving half-bridge and full-bridge circuits in power conversion and motor control.
Windowed Watchdog Timer (WWDT): Offers flexible windowing settings for increased reliability in safety-critical applications.
Hardware Limit Timer (HLT): Provides a hardware-based safety shut-down feature for PWM outputs without CPU intervention.
Cyclic Redundancy Check (CRC/SCAN): A hardware module for calculating checksums, used for verifying Flash memory integrity or data communication packets.
Configurable Logic Cell (CLC): Allows the integration of custom logic functions using the microcontroller's internal signals and peripherals, reducing the need for external components.
High-Fidelity Analog and Control Integration
The PIC16F19196 boasts an impressive suite of analog peripherals, making it a strong candidate for mixed-signal applications.
Analog-to-Digital Converter (ADC): Features a 12-bit ADC with up to 35 external channels, offering exceptional resolution. Its hardware oversampling and averaging capability can effectively achieve up to 16-bit resolution, improving measurement accuracy for sensor inputs.
Digital-to-Analog Converter (DAC): Includes a 5-bit DAC for generating analog voltage references.
Operational Amplifiers (Op Amps): Integrated op amps can be used to buffer and condition analog signals before they reach the ADC, minimizing external part count.
Timers and PWM: Multiple PWM modules, including 10-bit and 16-bit resolutions, provide precise control for motors, LEDs, and power supplies.
Enhanced Communication Interfaces
Connectivity is a cornerstone of this MCU, supporting a variety of standard serial communication protocols essential for system interfacing and networking.
EUSART: Supports LIN/DMX and RS-485 protocols with hardware address detection.
MSSP: Functions as either an SPI or I²C master/slave.
Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART): Facilitates asynchronous and synchronous serial communication.
These peripherals ensure seamless connection to sensors, memory, other microcontrollers, and host processors.
Development Support and Ecosystem
Designing with the PIC16F19196 is supported by Microchip's mature MPLAB X Integrated Development Environment (IDE) and the XC8 compiler. The Curiosity Nano Evaluation Board (DM164141) offers a streamlined platform for prototyping and debugging, accelerating time to market.
Conclusion
The PIC16F19196-I/PT stands out as a highly integrated and versatile 8-bit microcontroller. Its powerful combination of Core Independent Peripherals (CIPs), advanced analog capabilities like the 12-bit ADC, and comprehensive communication interfaces empowers designers to create efficient, responsive, and cost-effective embedded systems for a multitude of modern applications.
ICGOODFIND: The PIC16F19196-I/PT is a top-tier choice for engineers seeking a high-integration, 8-bit MCU that balances computational power with peripheral independence, particularly in applications demanding precise analog measurement and robust motor control capabilities.
Keywords: Core Independent Peripherals (CIPs), 12-bit ADC, Complementary Waveform Generator (CWG), Memory Access Partition (MAP), Configurable Logic Cell (CLC)
