Microchip PIC18F26K80-I/SO 8-Bit Microcontroller: A Comprehensive Overview

The Microchip PIC18F26K80-I/SO is a high-performance, enhanced flash 8-bit microcontroller unit (MCU) from Microchip Technology's renowned PIC18 family. Engineered for applications demanding robust performance, low power consumption, and a rich set of peripherals, this MCU is housed in a 28-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for a wide range of industrial, automotive, and consumer applications.

Core Architecture and Performance

At its heart, the PIC18F26K80 features an enhanced PIC18 core with a 16-bit instruction set and a 64-level deep hardware stack. This core can operate at speeds up to 64 MHz, achieving a performance of 16 MIPS (Million Instructions Per Second). A key advantage of its architecture is the integration of a memory access partition, which allows concurrent access from both the core and peripherals, significantly enhancing operational efficiency and throughput.

Memory Configuration

The device boasts a substantial and flexible memory structure:

Flash Program Memory: 64 KB of self-read/write capable flash memory, enabling robust application code storage and facilitating bootloader and firmware-over-the-air (FOTA) update functionalities.

RAM: 3,792 bytes of general-purpose SRAM provide ample space for data handling and complex algorithms.

EEPROM: 1,024 bytes of data EEPROM offer reliable non-volatile storage for critical data such as calibration constants or user settings, which must be retained even when power is cycled.

Advanced Peripherals and Integration

The PIC18F26K80-I/SO is distinguished by its extensive suite of integrated peripherals, reducing system component count and total cost. Key features include:

Analog-to-Digital Converter (ADC): A high-performance 10-bit ADC with up to 24 channels, providing precise analog signal acquisition capabilities.

Timers and Communication: It includes multiple 8-bit and 16-bit timers/counters, Enhanced Capture/Compare/PWM (ECCP) modules for motor control and power conversion, and a wealth of serial communication interfaces like EUSART (UART), SPI, and I2C™.

nanoWatt XLP Technology: A standout feature for power-sensitive designs. This technology enables extremely low power consumption in all modes (Run, Idle, and Sleep), making it ideal for battery-powered and portable applications.

Technical Specifications Summary

Core: 8-bit PIC18 Enhanced

Max CPU Speed: 64 MHz (16 MIPS)

Program Memory: 64 KB Flash

RAM: 3,792 Bytes

Data EEPROM: 1024 Bytes

I/O Pins: Up to 25 (depending on peripheral usage)

Operating Voltage: 1.8V - 3.6V (XLP mode), 2.0V - 5.5V (full range)

Packaging: 28-pin SOIC (SO)

ICGOOODFIND

The Microchip PIC18F26K80-I/SO presents a compelling solution for engineers designing complex embedded systems. Its powerful blend of high computational performance, extensive memory, a rich peripheral set, and exceptional low-power operation positions it as a versatile and reliable choice for demanding applications across various markets.

Keywords:

8-Bit Microcontroller

nanoWatt XLP Technology

64 KB Flash Memory

10-Bit ADC

Low-Power Operation