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LM81 Datasheet - National Semiconductor

LM81 - Serial Interface ACPI-Compatible Microprocessor System

The LM81 is a highly integrated data acquisition system for hardware monitoring of servers, Personal Computers, or virtually any microprocessor-based system.

In a PC, the LM81 can be used to monitor power supply voltages, temperatures, and fan speeds.

Actual values for these inputs can be read at an

LM81 Features

* n Temperature sensing n 6 positive voltage inputs with scaling resistors for monitoring +5V, +12V, +3.3V, +2.5V, Vccp power supplies directly n 8-bit DAC output for controlling fan speed Applications n System Thermal and Hardware Monitoring for Servers and PCs n Office Electronics n Electronic Test

LM81_NationalSemiconductor.pdf

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Datasheet Details

Part number:

LM81

Manufacturer:

National Semiconductor

File Size:

412.25 KB

Description:

Serial interface acpi-compatible microprocessor system.

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