'\"
'\" Copyright (c) 2003-2004 Paul H Alfille, MD
'\" (paul.alfille@gmail.com)
'\"
'\" Device manual page for the OWFS -- 1-wire filesystem package
'\" Based on Dallas Semiconductor, Inc's datasheets, and trial and error.
'\"
'\" Free for all use. No warranty. None. Use at your own risk.
'\"
.TH DS2401 3  2003 "OWFS Manpage" "One-Wire File System"
.SH NAME
.B DS2401
\- Silicon Serial Number
.TP
.B DS1990A
\- Serial Number iButton
.PP
.B 01
[.]XXXXXXXXXXXX[XX][/[
.so man3/standard_mini.3so
]]
.SH SYNOPSIS
Unique serial number only.
.SH FAMILY CODE
.PP
.I 01
.SH SPECIAL PROPERTIES
None.
.SH STANDARD PROPERTIES
.so man3/standard.3so
.SH ALARMS
None.
.SH DESCRIPTION
.so man3/description.3so
.SS DS2401 DS1990A
The
.B DS2401 (3)
and
.B DS1990A (3)
are the most basic of 1-wire devices. Their sole property is it's unique address. It can be used for unique identification. Nonetheless, many keylocks, night watchman systems, and tracking systems use this device.
.SH ADDRESSING
.so man3/addressing.3so
.SH DATASHEET
.br
http://pdfserv.maxim-ic.com/en/ds/DS2401.pdf
.br
http://pdfserv.maxim-ic.com/en/ds/DS1990A-F3-DS1990A-F5.pdf
.SH SEE ALSO
.so man3/seealso.3so
.SH AVAILABILITY
http://www.owfs.org
.SH AUTHOR
Paul Alfille (paul.alfille@gmail.com)