Microchip PIC18F25K22T-I/SS: A Comprehensive Technical Overview

The Microchip PIC18F25K22T-I/SS stands as a prominent member of the enhanced mid-range PIC18 "K-series" family of 8-bit microcontrollers. Engineered for a wide array of embedded control applications, this device combines robust peripheral integration, low-power operation, and a proven architecture, making it a versatile choice for designers. This overview delves into its core technical specifications, key features, and target applications.

At the heart of this microcontroller is an enhanced 8-bit CPU core with a 16-bit wide instruction set and an 8-bit wide data path. A significant architectural advancement is the inclusion of a hardware multiplier, which accelerates mathematical operations crucial for digital signal processing and control algorithms. The device operates at a maximum frequency of 64 MHz, delivering 16 MIPS (Million Instructions Per Second) performance, enabling swift and responsive execution for complex tasks.

A standout feature of the PIC18F25K22T-I/SS is its advanced memory organization. It is equipped with 32 KB of self-read/write capable Flash program memory and 1536 bytes of RAM. This substantial memory space supports sophisticated firmware and data handling. Furthermore, it includes 1024 bytes of high-endurance EEPROM for critical data storage that must be retained even after a power cycle, such as calibration constants or user settings.

The peripheral set is exceptionally rich, designed to interface with a vast range of components and systems. Key communication interfaces include:

EUSART: Enhanced Universal Synchronous Asynchronous Receiver Transceiver for RS-232, RS-485, and LIN bus communication.

MSSP: Master Synchronous Serial Port module that can be configured as either I²C™ or SPI, enabling communication with sensors, memories, and other peripherals.

Enhanced CCP/ECCP: Capture/Compare/PWM modules with enhanced features for precise timing, frequency generation, and motor control applications.

The analog capabilities are equally impressive. The microcontroller features a 10-bit Analog-to-Digital Converter (ADC) with up to 24 channels, allowing for extensive sensor monitoring. It also includes two comparators for simple analog signal conditioning and monitoring.

Power efficiency is a cornerstone of its design. The PIC18F25K22T-I/SS incorporates nanoWatt XLP Technology, enabling it to operate in extremely low-power modes. This makes it an ideal candidate for battery-powered and power-sensitive applications. The device is offered in a 28-pin SSOP (Shrink Small Outline Package), which is suitable for space-constrained PCB designs. The "T" in its part number signifies it is supplied in tape and reel packaging, optimized for automated assembly processes.

Target Applications:

This microcontroller is perfectly suited for a diverse set of markets, including:

Industrial Control (sensors, actuators, PLCs)

Automotive (body electronics, control modules)

Consumer Electronics (appliances, power tools)

Internet of Things (IoT) End Nodes

Medical and Battery-Powered Devices

ICGOOODFIND: The Microchip PIC18F25K22T-I/SS is a highly integrated and power-efficient 8-bit MCU. Its compelling blend of a high-performance CPU, ample memory, a comprehensive suite of communication and analog peripherals, and ultra-low-power consumption establishes it as a formidable and flexible solution for a vast spectrum of embedded control challenges.

Keywords:

PIC18F25K22T-I/SS

nanoWatt XLP Technology

Enhanced CCP/ECCP

Hardware Multiplier

10-bit ADC