PIC 12F675 Architecture

Author: Jeff + Claude AI

Genre:

Date: 24th May 2026

Description: Discover the surprising capability packed into one of Microchip's smallest microcontrollers. This focused technical guide walks readers through the PIC 12F675's Harvard architecture, memory layout, GPIO multiplexing, and on-chip peripherals including the ADC, timers, and comparator. Along the way, it unpacks oscillator options, reset behavior, interrupt handling, and low-power modes, giving embedded developers and hobbyists a clear mental model of how this 8-pin workhorse operates. An essential companion for anyone designing with the 12F675 or learning PIC architecture from the ground up.

Summary

Ch1. The 8-Pin Microcontroller in Context

Ch2. CPU Core and the Harvard Architecture

Ch3. Memory Organization: Program and Data

Ch4. The GPIO Port and Pin Multiplexing

Ch5. Analog-to-Digital Converter Module

Ch6. Timer Modules and the Comparator

Ch7. Oscillator Configurations and Clock System

Ch8. Special Features: Resets, Interrupts, and Low-Power Operation