PICAXE-28X2 Architecture

Author: Jeff + Claude AI

Genre: Electronics

Category: Microprocessor

Date: 26th May 2026

Description: Step inside the silicon with this comprehensive guide to the PICAXE-28X2, a microcontroller beloved by hobbyists, educators, and embedded designers alike. From its origins and design philosophy to the intricacies of its processing core, memory architecture, and communication interfaces, this book unpacks every layer of the chip with clarity and precision. Readers will explore pin layouts, analog and digital subsystems, the programming model, and practical circuit integration techniques that bridge theory and hands-on application. Whether you're building your first project or refining your engineering craft, this is an essential companion for mastering one of the most versatile chips in its class.

Summary

Ch1. Origins and Design Philosophy

Ch2. Pin Configuration and Physical Layout

Ch3. The Processing Core

Ch4. Memory Architecture and Register Space

Ch5. Analog and Digital Subsystems

Ch6. Communication Interfaces

Ch7. Programming Model and Instruction Set

Ch8. Practical Integration and Circuit Design