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tm121temp(4) [netbsd man page]

TM121TEMP(4)						   BSD Kernel Interfaces Manual 					      TM121TEMP(4)

tm121temp -- Texas Instruments TMP121 temperature sensor SYNOPSIS
tm121temp0 at spi? slave 0 DESCRIPTION
The tm121temp driver provides support for the Texas Instruments (formerly Burr-Brown) TMP121 temperature sensor with the envsys(4) API. These devices are connected to the host system with spi(4) or Microwire 4-wire serial busses. The tm121temp is capable of measuring tempera- tures with a 2 degree accuracy over the frame from -40 to 125 Celsius. Temperatures are reported with a granularity of 625 microKelvins. tm121temp devices can transfer information at up to 10MHz, and support SPI mode 0. The device reports itself with envsys(4) using the generic device name. This name can be overridden, by specifying an alternate name in the device property ``envsys-description''. SEE ALSO
envsys(4), spi(4), envstat(8) HISTORY
The tm121temp driver was written by Garrett D'Amore and first appeared in NetBSD 4.0. BSD
October 9, 2006 BSD

Check Out this Related Man Page

IPMI(4) 						   BSD Kernel Interfaces Manual 						   IPMI(4)

ipmi -- Intelligent Platform Management Interface driver SYNOPSIS
ipmi0 at mainbus? DESCRIPTION
The ipmi device driver supports motherboards implementing the Intelligent Platform Management Interface version 1.5 or 2.0, and exports sen- sors and the watchdog through the envsys(4) interface. EVENTS
The ipmi driver is able to send events to powerd(8) when a sensor's state has changed. Intrusion sensors will send a critical event when state is not ok. Power Supply sensors will send a critical event when the Power Supply unit is not installed and warning-over when the Power Supply unit is installed but not powered on. Fan, temperature and voltage sensors will send critical-over or critical-under when the value is very critical, or warning-over or warning-under if it's in a warning alert. SEE ALSO
envsys(4), envstat(8), powerd(8), wdogctl(8) HISTORY
The ipmi driver first appeared in OpenBSD 3.9 and was then ported to NetBSD 4.0. AUTHORS
The ipmi driver was originally written by Jordan Hargrave and was ported to NetBSD by Manuel Bouyer <>. BSD
September 8, 2008 BSD
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