.\"	$NetBSD: smscmon.4,v 1.5 2016/06/01 02:15:26 pgoyette Exp $
.\"
.\" Copyright (c) 2009 Takahiro Hayashi
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.Dd June 1, 2016
.Dt SMSCMON 4
.Os
.Sh NAME
.Nm smscmon
.Nd Standard Microsystems Corporation LPC47M192 Super I/O
.Sh SYNOPSIS
.Cd "smscmon0 at iic? addr 0x2c"
.Cd "smscmon0 at iic? addr 0x2d"
.Sh DESCRIPTION
The
.Nm
driver provides support for the hardware monitoring portion of the
.Tn Standard Microsystems Corporation
LPC47M192 and LPC47M997 Super I/O chips to be used with the
.Xr envsys 4
API.
.Pp
The chip supports 11 sensor inputs:
.Bl -column "Remote Temp1" "Units" "Typical" -offset indent
.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
.It Li "+2.5V" Ta "uV DC" Ta "2.5V Supply"
.It Li "Vccp" Ta "uV DC" Ta "CPU Vcore"
.It Li "+3.3V" Ta "uV DC" Ta "3.3V Supply"
.It Li "+5V" Ta "uV DC" Ta "5V Supply"
.It Li "+12V" Ta "uV DC" Ta "12V Supply"
.It Li "Vcc" Ta "uV DC" Ta "Chip's supply voltage"
.It Li "+1.5V" Ta "uV DC" Ta "1.5V Supply"
.It Li "+1.8V" Ta "uV DC" Ta "1.8V Supply"
.It Li "Remote Temp1" Ta "uK" Ta "CPU temperature"
.It Li "Ambient Temp" Ta "uK" Ta "Local chip temperature"
.It Li "Remote Temp2" Ta "uK" Ta ""
.El
.Sh SEE ALSO
.Xr envsys 4 ,
.Xr envstat 8
.Sh HISTORY
The
.Nm
device appeared in
.Nx 6.0 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Takahiro Hayashi .