Address offset: 0x81

GPIO1 configuration

Bit number 7 6 5 4 3 2 1 0
ID G F E D C B A
Reset 0x09 0 0 0 0 1 0 0 1
ID R/W Field Value ID Value Description
A

RW

INPUT

Enable input buffer

DISABLE

0

Disable input buffer

ENABLE

1

Enable input buffer
B

RW

OUTPUT

Enable output buffer

DISABLE

0

Disable output buffer

ENABLE

1

Enable output buffer
C

RW

OPENDRAIN

Open-drain enable

OFF

0

Open-drain disabled

ON

1

Open-drain enabled
D

RW

PULLDOWN

Pull-down enable

OFF

0

Pull-down disabled

ON

1

Pull-down enabled
E

RW

PULLUP

Pull-up enable

OFF

0

Pull-up disabled

ON

1

Pull-up enabled
F

RW

DRIVE

Drive strength select

NORMAL

0

Normal drive strength

HIGH

1

High drive strength
G

RW

DEBOUNCE

Debounce enable

OFF

0

Debounce filter disabled

ON

1

Debounce filter enabled