LM80 Datasheet - National Semiconductor

LM80, Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor

LM80 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor June 1999 LM80 Serial Interface ACPI-Compatible Microprocessor System H.
The LM80 provides 7 positive voltage inputs, temperature measurement, fan speed measurement, and hardware monitoring on an I2C™ interface.

Applications

* These include hardware monitoring and protection applications in personal computers, electronic test equipment, and office electronics. n WATCHDOG comparison of all monitored values n Separate input to show status in Interrupt Status Register of additional external temperature sensors such as the L

LM80_NationalSemiconductor.pdf