FDC37B78X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B78X

Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

SMSC -> Microchip 

NAME

GP50

Default = 0x01

on Vbat POR

GP52

Default =0x09

on Vbat POR

REG INDEX

DEFINITION

0xC8

0xCA

General Purpose I/0 bit 5.0

Bit[0] In/Out : =1 Input, =0 Output

Bit[1] Polarity : =1 Invert, =0 No Invert

Bit[2] Reserved

Bit[4:3] Function Select

=00 PCI Clock

=01 IRQ14

=10 GPI/O

=11 Reserved

Bit[5] Group Interrupt Enable

=1 Enable Combined IRQ 2

=0 Disable Combined IRQ 2

Bit[6] Reserved

Bit[7] Output Type Select

1=Open Drain

0=Push Pull

General Purpose I/0 bit 5.2

Bit[0] In/Out : =1 Input, =0 Output

Bit[1] Polarity : =1 Invert, =0 No Invert

Bit[2] Reserved

Bit[4:3] Function Select

=00 DRVDEN1

=01 GPIO

=10 IRQ8

=11 nSMI

Bit[5] Group Interrupt Enable

=1 Enable Combined IRQ 2

=0 Disable Combined IRQ 2

Bit[6] Reserved

Bit[7] Output Type Select

1=Open Drain

0=Push Pull

STATE

207

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