APPLICATION NOTE 132

Quick Guide to 1-Wire net Using PCs and Microcontrollers


Abstract: This document provides an overview of 1-Wire® networking with an emphasis on PCs and microcontrollers being the 1-Wire Master and iButtons® and/or other 1-Wire devices being the slaves. It provides an overview with information on logic levels, addressing, synchronization, power, network types, network topologies, and 1-Wire timings. Microprocessor interface schematics are presented, along with suggestions on how to achieve maximum reliability (including cable selection, length, timings, slew rates, etc).