Microchip PIC17C44-16/P: An Overview of the 16 MHz OTP Microcontroller
The Microchip PIC17C44-16/P represents a significant member of the mid-range PIC17Cxx family, engineered for applications demanding high performance and robust control within embedded systems. As a One-Time Programmable (OTP) microcontroller, it offers a cost-effective solution for high-volume production runs where firmware stability is assured, eliminating the need for subsequent reprogramming.
Architecturally, the PIC17C44-16/P is built around a high-performance 8-bit RISC CPU core. Its streamlined instruction set, comprising 58 instructions, enables most operations to execute in a single clock cycle, achieving a throughput of up to 4 million instructions per second (MIPS) at its maximum clock frequency of 16 MHz. This efficiency is crucial for time-sensitive control tasks.
A key feature of this microcontroller is its integrated EPROM program memory. The device offers 8,192 x 16 words of on-chip OTP memory, providing ample space for complex application code. For data handling, it is equipped with 454 bytes of RAM, ensuring efficient temporary data storage and stack operations during program execution.
The peripheral set of the PIC17C44-16/P is designed for versatile system control. It includes multiple timer modules (Timer0, Timer1, Timer2), a watchdog timer (WDT) for enhanced system reliability, and a capture/compare/PWM (CCP) module, which is essential for precision motor control, power regulation, and waveform generation. Furthermore, it features a Universal Synchronous Asynchronous Receiver Transmitter (USART) for serial communication (RS-232, RS-485), enabling seamless connectivity with peripherals, PCs, or other microcontrollers. The device also includes an 8-bit parallel slave port for fast, direct communication with a parallel data bus.
Housed in a 40-pin PDIP (Plastic Dual In-line Package), the PIC17C44-16/P provides 33 I/O pins. These pins are organized into multiple ports, many of which are multiplexed with peripheral functions, offering significant design flexibility. The pinout allows for easy interfacing with a wide array of sensors, actuators, displays, and other digital components.
Typical applications leveraging the power of the PIC17C44-16/P span across various industries. It is exceptionally well-suited for advanced motor control systems, industrial automation, automotive control modules, and sophisticated consumer electronics where its combination of processing speed, OTP reliability, and integrated peripherals can be fully utilized.
ICGOODFIND: The Microchip PIC17C44-16/P is a high-performance, OTP microcontroller that delivers 4 MIPS of processing power at 16 MHz. Its integration of program memory, RAM, timers, a CCP module, and serial communication peripherals makes it a powerful and self-contained solution for deterministic control in final, high-volume embedded products.
Keywords: OTP Microcontroller, 16 MHz, 8-bit RISC, CCP Module, USART
