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 

nSMI

out to pin

or Serial

IRQ2

DEV_INT

to nPME

Interface

Logic

FIGURE 6 - SMI/PME LOGIC

Group

SMI

EN_SMI

Bit 7

of SMI_EN2

Register

EN_SMI_PME

Bit 6 of

SMI_EN2 Register

SMI_EN

Registers

SMI_EN1 Register

EN_RING

EN_PINT

EN_U2INT

EN_U1INT

EN_FINT

EN_GPINT2

EN_GPINT1

EN_WDT

SMI_EN2 Register

EN_MINT

EN_KINT

EN_IRINT

EN_BINT

EN_P12

EN_CIR

SMI_STS

Registers

SMI_STS1 Register

PINT

U2INT

U1INT

FINT

GPINT2

GPINT1

WDT

EVENT

RING Bit, PME_STS1 Register

nRING

PINT

U2INT

U1INT

FINT

GPINT2

GPINT1

WDT

SMI_STS2 Register

MINT

KINT

IRINT

BINT

P12

SLP_EN_SMI

MINT

KINT

IRINT

BINT

P12

CIR Bit, PME_STS1 Register

CIR

SLP_EN

SLP_CTRL

Bit 0 of the Sleep Enable

Configuration Register

0xF0 of Logical Device A.

Key to Symbols

Enable bit

Interrupt Status bit: Cleared at

source

Interrupt Status bit: Cleared by

a read of register

Sticky Status bit: Cleared by a

write of ‘1’ to this bit

168

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