LPC47M112-MC View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

LPC47M112-MC

Enhanced Super I/O Controller with LPC Interface / Dual Game Port Interface

SMSC -> Microchip 

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Enhanced Super I/O Controller with LPC Interface

Datasheet

6 3 VOLT OPERATION / 5 VOLT TOLERANCE

The LPC47M112 is a 3.3 Volt part. It is intended solely for 3.3V applications. Non-LPC bus pins are 5V tolerant; that

is, the input voltage is 5.5V max, and the I/O buffer output pads are backdrive protected.

The LPC interface pins are 3.3 Volt only. These signals meet PCI DC specifications for 3.3V signaling. These pins

are:

ƒ LAD[3:0]

ƒ nLFRAME

ƒ nLDRQ

ƒ nLPCPD

The input voltage for all other pins is 5.5V max. These pins include all non-LPC Bus pins and the following pins:

ƒ nPCI_RESET

ƒ PCI_CLK

ƒ SER_IRQ

ƒ nIO_PME

SMSC DS – LPC47M112

Page 16

DATASHEET

Rev. 02-16-07

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