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LMTEMP(4) |
Kernel Interfaces Manual |
LMTEMP(4) |
NAME
lmtemp — National Semiconductor LM75, LM77 and compatible hardware monitors
SYNOPSIS
lmtemp0 at iic? addr 0x48 flags 0x0000
DESCRIPTION
The
lmtemp driver provides support for the National Semiconductor LM on iicbus series temperatures and register compatible chips to be used with the
envsys(4) API. The
lmtemp supports ranges of the temperature between +125 from -55.
Each device is specified by the value of the address and flags.
|
Temperature |
addr |
flags |
LM75 |
0x48 - 0x4f |
0x0000 |
DS75 |
0x48 - 0x4f |
0x0001 |
LM77 |
0x48 - 0x4b |
0x0002 |
HARDWARE
Chips supported by the
lmtemp driver include:
-
National Semiconductor LM75
-
National Semiconductor LM77
-
Dallas Semiconductor DS75
HISTORY
The lmtemp device appeared in NetBSD 4.0.
BUGS
Interrupt support is unimplemented.
