DS2430A(3) One-Wire File System DS2430A(3)

# [NAME](#NAME)

**DS2430A, DS1971** - 256-bit 1-wire EEPROM, 256-bit EEPROM ibutton

# [SYNOPSIS](#SYNOPSIS)

EEPROM

**14** \[.]XXXXXXXXXXXX\[XX][/[ **application** | **status** | **memory** |

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

]]

# [FAMILY CODE](#FAMILY_CODE)

*14*

# [SPECIAL PROPERTIES](#SPECIAL_PROPERTIES)

## [application](#application)

*read-write, binary*  
8 bytes of data. Write once, then *status* is 0xFC and further writing is impossible.

## [status](#status)

*read-only, unsigned integer*  
Is the *application* area locked?

0xFF

Application area untouched

0xFC

Applcation area locked

## [memory](#memory)

*read-write, binary*  
32 bytes of data. (256 bits)

# [STANDARD PROPERTIES](#STANDARD_PROPERTIES)

See the file man3/standard.3so.

# [ALARMS](#ALARMS)

None.

# [DESCRIPTION](#DESCRIPTION)

See the file man3/description.3so.

## [DS2430A](#DS2430A)

The [**DS2430A (3)**](/man/os/owfs/DS2430A.3) is a memory 1-wire chip. It is considered obsolete and newer designs are supposed to use the [**DS2431 (3)**](/man/os/owfs/DS2431.3)

The [**DS1971 (3)**](/man/os/owfs/DS1971.3) is an iButton version of the same device.

# [ADDRESSING](#ADDRESSING)

See the file man3/addressing.3so.

# [DATASHEET](#DATASHEET)

http://pdfserv.maxim-ic.com/en/ds/DS2430A-DS2430AP.pdf

# [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: DS2430A(3) from owfs 3.2.4-r10 (Chainguard OS)
Source: https://github.com/owfs/owfs