DS1963S(3) One-Wire File System DS1963S(3)

# [NAME](#NAME)

**DS1963S** - 256 byte Monetary iButton with SHA-1

# [SYNOPSIS](#SYNOPSIS)

Non-volatile R/W memory with counters, SHA-1 (under NDA)

**18** \[.]XXXXXXXXXXXX\[XX]\[/\[ **pages/count.\[0-15|ALL]** | **memory** | **pages/page.\[0-15|ALL]** |

See the file man3/standard\_mini.3so.

]]

# [FAMILY CODE](#FAMILY_CODE)

*18*

# [SPECIAL PROPERTIES](#SPECIAL_PROPERTIES)

## [page/count.\[0-15|ALL\]](#page/count._0-15_ALL_)

*read-only, unsigned*  
Each write to the memory page increments the counter. An application can tell if the memory has been changed by another process.

Only 4 pages are actually connected to counters:

[Counter1](#Counter1)

*page/counter.12*

[Counter2](#Counter2)

*page/counter.13*

[Counter3](#Counter3)

*page/counter.14*

[Counter4](#Counter4)

*page/counter.15*

# [STANDARD PROPERTIES](#STANDARD_PROPERTIES)

See the file man3/standard.3so.

# [ALARMS](#ALARMS)

None.

# [DESCRIPTION](#DESCRIPTION)

See the file man3/description.3so.

## [DS1963S](#DS1963S)

The [**DS1963S (3)**](/man/os/owfs/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.

This man page corresponds to the non-secret [**DS1963L (3)**](/man/os/owfs/DS1963L.3) *OWFS* system handles this automatically.

# [ADDRESSING](#ADDRESSING)

See the file man3/addressing.3so.

# [DATASHEET](#DATASHEET)

http://www.maxim-ic.com/quick\_view2.cfm/qv\_pk/2822

# [SEE ALSO](#SEE_ALSO)

See the file man3/seealso.3so.

# [AVAILABILITY](#AVAILABILITY)

http://www.owfs.org

# [AUTHOR](#AUTHOR)

Paul Alfille (paul.alfille@gmail.com)

2003 OWFS Manpage

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Document: DS1963S(3) from owfs 3.2.4-r10 (Chainguard OS)
Source: https://github.com/owfs/owfs