.\" $OpenBSD: maxrtc.4,v 1.1 2016/07/07 08:08:02 mglocker Exp $ .\" .\" Copyright (c) 2006 Theo de Raadt .\" Copyright (c) 2016 Marcus Glocker .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: July 7 2016 $ .Dt MAXRTC 4 .Os .Sh NAME .Nm maxrtc .Nd Maxim DS1307 Real Time Clock .Sh SYNOPSIS .Cd "maxrtc* at iic?" .Sh DESCRIPTION The .Nm driver provides support for the Maxim DS1307 Real Time Clock chip. It is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. .Sh SEE ALSO .Xr iic 4 , .Xr intro 4 .Sh HISTORY The .Nm driver first appeared in .Ox 6.0 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An Marcus Glocker Aq Mt mglocker@openbsd.org .