Microchip PIC16F1824-I/P 8-Bit Microcontroller Datasheet and Design Guide
The Microchip PIC16F1824-I/P is a versatile 8-bit microcontroller built on Microchip’s enhanced mid-range core. Featuring a high-performance RISC CPU with 49 instructions and 16 stack levels, this device is engineered for a wide range of embedded control applications in consumer, industrial, and automotive systems. Its compact 14-pin PDIP package makes it suitable for space-constrained designs while offering a surprising level of integration.
Core Architecture and Memory
At the heart of the PIC16F1824 lies the enhanced mid-range core with a maximum operating frequency of 32 MHz, delivering up to 8 MIPS of performance. It is equipped with 7 KB of programmable Flash memory and 256 bytes of RAM, providing ample space for application code and data handling. A key feature is its 256 bytes of high-endurance EEPROM for non-volatile data storage, crucial for storing configuration parameters or user data without power.
Advanced Peripherals for Integrated Control
This microcontroller stands out with its rich set of integrated peripherals, reducing system component count and total cost. It includes:
mTouch Capacitive Sensing Module (CSM): Enables the implementation of robust touch sensing interfaces without external components.
Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART): Supports both RS-232 and RS-485 protocols for serial communication.
Master Synchronous Serial Port (MSSP): Configurable as either an I²C or SPI interface for communication with sensors, memories, and other peripherals.
Complementary Waveform Generator (CWG): A highly flexible module for generating precision complementary PWM signals, ideal for motor control and power conversion applications.
5-Channel 10-Bit Analog-to-Digital Converter (ADC): Allows for accurate measurement of analog signals from sensors.
Enhanced Operational Features
The device incorporates several features that enhance reliability and simplify design. Nanowatt XLP Technology ensures extremely low power consumption in Sleep mode, making it perfect for battery-powered applications. Its operating voltage ranges from 1.8V to 5.5V, offering design flexibility. Furthermore, it includes a suite of on-chip precision peripherals like an internal 32 MHz oscillator, a software-selectable 31 kHz low-frequency internal oscillator, and a stable reference voltage module, reducing dependency on external clock and reference components.
Design Considerations
When designing with the PIC16F1824-I/P, developers should pay close attention to the pin multiplexing options, as many pins serve multiple functions. Careful planning of the Peripheral Pin Select (PPS) feature is essential to assign digital peripherals like UART, I²C, and SPI to the most physically convenient pins on the device. Proper decoupling and grounding are critical, especially when using the internal ADC to ensure measurement accuracy. Utilizing the on-chip debugger and in-circuit serial programming (ICSP) capabilities greatly simplifies the development and debugging process.
ICGOOODFIND Summary
The PIC16F1824-I/P is a highly capable 8-bit microcontroller that punches above its weight. Its combination of a high-speed core, rich peripheral set including touch sensing and motor control, and ultra-low power operation makes it an exceptional choice for a vast array of embedded designs. Its integration level allows for the creation of sophisticated, feature-rich applications in a minimal physical footprint, offering excellent value and performance.
Keywords: PIC16F1824-I/P, 8-bit Microcontroller, Nanowatt XLP Technology, Peripheral Pin Select (PPS), mTouch Sensing
