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OWCTR(4)                 BSD Kernel Interfaces Manual                 OWCTR(4)

NAME
     owctr -- 1-Wire counter device

SYNOPSIS
     owctr* at onewire?

DESCRIPTION
     The owctr driver provides support for the externally triggered counters
     on the DS2423 chip.  The supported chip contains a 4096-bit SRAM and four
     32-bit counters.  The two externally triggered counters are accessible by
     the sysctl(8) interface.

     The following chips are supported by the driver:

           o   Maxim/Dallas DS2423

SEE ALSO
     intro(4), onewire(4), owsbm(4), owtemp(4), sysctl(8)

HISTORY
     The owctr driver first appeared in OpenBSD 4.8.

AUTHORS
     The owctr driver was written by John L. Scarfone <john@scarfone.net>.

BSD                             April 27, 2017                             BSD