DS1780 Datasheet - Dallas

DS1780 CPU Peripheral Monitor

A0/NTOUT TREE - Address Input / NAND Output A1 - Address Input SDA - 2-Wire Serial Data Input/Output SCL - 2-Wire Serial Clock FANx - Tachometer Inputs CHS - Chassis Intrusion Detector Input GNDD - Digital Ground VDD - Power Supply Voltage (2.8V to 5.75V) INT - Hardware Interrupt out.

DS1780 Features

* Direct-to-digital temperature sensor requires no external components or user calibration

* Two fan speed sensors

* Monitors 6 power supply voltages

* 8-bit DAC for fan speed control

* Intrusion detect for security (detects when chassis lid has been removed, even if power is off

DS1780_Dallas.pdf