Microchip PIC17C44-33I/P: A High-Performance 8-Bit CMOS Microcontroller

The Microchip PIC17C44-33I/P stands as a significant milestone in the evolution of 8-bit microcontrollers, representing a blend of robust performance, integrated peripheral features, and power efficiency. As a member of Microchip's extensive PIC® microcontroller family, this device is engineered for applications demanding high computational throughput and reliable control in embedded systems.

Fabricated with CMOS technology, the PIC17C44-33I/P is designed for low power consumption without sacrificing performance. Operating at a clock speed of 33 MHz, it delivers a powerful instruction execution capability, making it suitable for complex real-time processing tasks. Its core architecture employs a RISC (Reduced Instruction Set Computer) design, which allows for a concise set of highly optimized instructions. This enables most instructions to execute in a single clock cycle, achieving an impressive throughput of up to 8.25 MIPS (Million Instructions Per Second).

A key feature of this microcontroller is its integrated OTP (One-Time Programmable) EPROM program memory. With 8 KB of on-chip code space, it provides ample room for sophisticated application firmware. The inclusion of 452 bytes of RAM ensures efficient data manipulation and temporary storage during operation. For applications requiring non-volatile data storage, the device also incorporates 256 bytes of EEPROM, which can be electrically erased and rewritten, adding significant flexibility.

The peripheral set integrated into the PIC17C44-33I/P is comprehensive. It features a high-current I/O port capable of sourcing up to 20 mA per pin, enabling it to drive LEDs or other peripherals directly. Communication is facilitated through both a USART (Universal Synchronous Asynchronous Receiver Transmitter) for serial data exchange and an SSP (Synchronous Serial Port) that supports I²C and SPI protocols. For timing and control applications, it includes multiple timers/counters and a Capture/Compare/PWM (CCP) module, which is essential for tasks like motor control, waveform generation, and frequency measurement.

Housed in a 40-pin PDIP (Plastic Dual In-line Package), the PIC17C44-33I/P is well-suited for prototyping and production environments that favor through-hole mounting. Its industrial temperature rating (-40°C to +85°C) ensures reliable operation in harsh environmental conditions, broadening its applicability across automotive, industrial automation, and advanced consumer electronics sectors.

ICGOODFIND: The Microchip PIC17C44-33I/P is a high-performance, feature-rich 8-bit microcontroller that excels in processing power, peripheral integration, and operational reliability. Its OTP memory and robust I/O capabilities make it an excellent choice for developers building demanding embedded control systems.

Keywords: High-Performance, 8-Bit CMOS, 33 MHz, OTP EPROM, Integrated Peripherals