Reading and Writing 1-Wire® Devices Through Serial Interfaces

Abstract: This application note presents the electrical aspect of the 1-Wire protocol for new and legacy devices. A special section explains how to determine appropriate timing parameters for a network comprised of both old and new 1-Wire slaves. The 1-Wire Master Concepts section provides references to other documents that discuss 1-Wire masters in detail and to the related software.
Maxim > Design Support > App Notes > 1-Wire Devices > APP 74
Maxim > Design Support > App Notes > iButton > APP 74
Maxim > Design Support > App Notes > UARTs > APP 74

Keywords: 1-Wire, OneWire, iButton, iButtons, serial port, serial communication, uart, 8253, 8250, 1wire

Jun 26, 2009
APPLICATION NOTE 74
Reading and Writing 1-Wire Devices Through Serial Interfaces
By: Bernhard Linke, Principal Member Technical Staff

Abstract: This application note presents the electrical aspect of the 1-Wire protocol for new and legacy devices. A special section
explains how to determine appropriate timing parameters for a network comprised of both old and new 1-Wire slaves. The 1-Wi