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NCT6791D

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The NCT6791D is a member of Nuvoton’s Super I/O series capable of monitoring critical parameters in PC hardware including power supply voltages, fan speeds and temperatures. The NCT6791D supports both high accuracy current mode sensing and low cost thermistor mode sensing. The NCT6791D also supports the Nuvoton SMART FAN™ I and SMART FAN IV algorithms for fan speed control.

The NCT6791D supports Printer Port, KBC, 2 UART and GPI/O.

The NCT6791D supports Intel® PECI, AMD® SB-TSI interface, AMD® CPU power on sequence, and Intel® Deep Sleep Well glue logic to reduce external support circuitry needed for Deep Sleep Well capability.

The NCT6791D also provides decode of Port 80 diagnostic messages on the LPC bus, two-color LED control to indicate system power states, Consumer IR function for remote control purpose, and power saving control function to further reduce the power consumption in the S5 state.

Data Sheet

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Part No. Check Disty I/O Bus KBC UART Parallel Port Hardware Monitor ACPI SMBus Master SPI I/F PECI I/F SB-TSI I/F CIR EuP Power Saving Port 80 Package Status Green/ RoHS Supply Voltage Built-in uC GPIO Interface
NCT6791D Check Disty LPC Y 2 Y Y Y Y N Y Y Y Y Y LPQF128 Mass Production Pb free & Halogen free 3.3V N Y LPC

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