LMTEMP(4) Kernel Interfaces Manual LMTEMP(4)

NAME

lmtempNational 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:

SEE ALSO

envsys(4), envstat(8)

HISTORY

The lmtemp device appeared in NetBSD 4.0.

BUGS

Interrupt support is unimplemented.
April 4, 2008 NetBSD 6.1