PCFADC(4)                 OpenBSD Programmer's Manual                PCFADC(4)

NAME
     pcfadc - Philips PCF8591 temperature sensor

SYNOPSIS
     pcfadc* at iic?

DESCRIPTION
     The pcfadc driver supports the PCF8591 I2C analog to digital converter,
     making its readings available through a sysctl(8) interface.

     The driver reads up to four A/D lines configured as temperature inputs.
     Sensor names, type and calibration information are read from Open-
     Firmware.

SEE ALSO
     iic(4), intro(4), sensorsd(8), sysctl(8)

HISTORY
     The pcfadc driver first appeared in OpenBSD 3.9.

AUTHORS
     The pcfadc driver was written by Damien Miller <djm@openbsd.org>.

OpenBSD 4.7                    February 26, 2010                             1
