Product Summary

The IT8705F is a LPC Interface based highly integrated Super I/O. It provides the most commonly used legacy Super I/O functionality plus the latest Environment Control initiatives, such as Hardware Monitor, Fan Speed Controller and the SmartGuardian function of ITE. The IT8705F features the enhanced hardware monitor providing 3 thermal inputs from remote thermistors, thermal diode or diode-connected transistor. Other features include one high-performance 2.88MB floppy disk controller, with digital data separator, supporting two 360K/ 720K/ 1.2M/ 1.44M/ 2.88M floppy disk drives.

Parametrics

IT8705F absolute maximum ratings: (1)Applied Voltage: -0.5V to 7.0V; (2)Input Voltage (Vi): -0.5V to VCC+0.5V; (3)Output Voltage (Vo): -0.5V to VCC + 0.3V; (4)Operation Temperature (Topt): 0℃ to +70℃; (5)Storage Temperature: -55℃ to +125℃; (6)Power Dissipation: 300mW.

Features

IT8705F features: (1)Low Pin Count Interface: Compliant with Intel LPC Interface SpecificationRev.1.0 (Sept. 29, 1997); Supports Serial IRQ Protocol; Supports PCI PME# Interface; (2)Fan Speed Controller: Provides Fan ON/OFF and PWM control; 3 programmable Pulse Width Modulation(PWM) Fan control outputs; Each PWM output supports 128 steps of PWM modes; Monitors 3 Fan tachometer inputs; (3)Consumer Remote Control (TV remote) IR with Power-up Feature.

Diagrams

IT8705F block diagram

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IT8705F
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IT8705AF
IT8705AF

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IT8705F
IT8705F

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IT8706R
IT8706R

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IT8712A-A
IT8712A-A

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IT8712F
IT8712F

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IT8712F-A
IT8712F-A

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