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

REG INDEX

DEFINITION

STATE

GP1

Default = 0x00

on Vbat POR

0xF6

This register is used to read the value of the GPIO

pins.

Bit[0]: GP10

Bit[1]: GP11

Bit[2]: GP12

Bit[3]: GP13

Bit[4]: GP14

Bit[5]: GP15

Bit[6]: GP16

Bit[7]: GP17

GP5

0xF9

This register is used to read the value of the GPIO

pins.

Default = 0x00

on Vbat POR

Bit[0]: GP50

Bit[1]: Reserved

Bit[2]: GP52

Bit[3]: GP53

Bit[4]: GP54

Bit[7:5]: Reserved

GP6

0xFA

This register is used to read the value of the GPIO

pins.

Default = 0x00

Bit[0]: GP60

on Vbat POR

Bit[1]: GP61

Bit[2]: GP62

Bit[3]: GP63

Bit[4]: GP64

Bit[5]: GP65

Bit[6]: GP66

Bit[7]: GP67

Note:Registers GP1, WDT_CTRL, GP5-6, Soft Power Enable and Status Registers are also available

at index 01-0F when not in configuration mode.

Note: GP10-17 can be enabled onto GPINT1; GP50-54 and GP60-67 can be enabled onto GPINT2.

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