Product Summary

The IT8705F is a LPC Interface based highly integrated Super I/O. The IT8705F provides the most commonly used legacy Super I/O functionality plus the latest Environment Control initiatives. The IT8705F LPC interface complies with Intel LPC Interface Specification Rev. 1.0 (Sept. 29, 1997). The IT8705F meets the MicrosoftPC98 & PC99 System Design Guide requirements and is ACPI compliant.

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; (2)PC98/PC99, ACPI Compliant; (3)Enhanced Hardware Monitor; (4)Fan Speed Controller; (5)Game Port; (6)Two 16C550 UARTs; (7)MIDI Interface; (8)Compliant with Personal Computer Smart Card (PC/SC) Working Group standard; (9)Compliant with smart card (ISO 7816) protocols; (10)Supports card present detect; (11)Supports one programmable clock frequency, 7.1 MHz, and 3.5 MHz (default) card clocks; (12)Input mode supports switch de-bounce; (13)SMI is routed through GPIOs; (14)?Power LED Blinking Control; (15)Hardware Monitor Warning Beep Output; (16)?External IRQ Inputs Routing into Serial IRQ; (17)Watch Dog Timer.

Diagrams

IT8705F block diagram

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IT8712F
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IT8712F-A
IT8712F-A

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