File: DS1963S.man

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'\"
'\" 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 DS1963S 3  2003 "OWFS Manpage" "One-Wire File System"
.SH NAME
.B DS1963S
\- 256 byte Monetary iButton with SHA-1
.SH SYNOPSIS
Non-volatile R/W memory with counters, SHA-1 (under NDA)
.PP
.B 18
[.]XXXXXXXXXXXX[XX][/[
.B pages/count.[0-15|ALL]
|
.B memory
|
.B pages/page.[0-15|ALL]
|
.so man3/standard_mini.3so
]]
.SH FAMILY CODE
.PP
.I 18
.SH SPECIAL PROPERTIES
.SS page/count.[0-15|ALL]
.I read-only, unsigned
.br
Each write to the memory page increments the counter. An application can tell if the memory has been changed by another process.
.P
Only 4 pages are actually connected to counters:
.TP
Counter1
.I page/counter.12
.TP
Counter2
.I page/counter.13
.TP
Counter3
.I page/counter.14
.TP
Counter4
.I page/counter.15
.SH STANDARD PROPERTIES
.so man3/standard.3so
.SH ALARMS
None.
.SH DESCRIPTION
.so man3/description.3so
.SS DS1963S
The
.B DS1963S (3)
is used for read/write storage. It has SHA-1 authentication. Most of the information is under NDA and was not available for either the implementation of this man page.
.P
This man page corresponds to the non-secret
.B DS1963L (3)
.I OWFS
system handles this automatically.
.SH ADDRESSING
.so man3/addressing.3so
.SH DATASHEET
.br
http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2822
.SH SEE ALSO
.so man3/seealso.3so
.SH AVAILABILITY
http://www.owfs.org
.SH AUTHOR
Paul Alfille (paul.alfille@gmail.com)