ADPD4100 datasheet(86/101 Pages) AD

86 / 101 page

ADPD4100/ADPD4101

Data Sheet

Rev. 0 | Page 86 of 101

I/O SETUP AND CONTROL REGISTERS

Table 35. I/O Setup and Control Register Details

Addr

Name

Bits

Bit Name

Description

Reset Access

0x0022 GPIO_CFG [15:14] GPIO_SLEW

Slew control for GPIOx pins.

0x0

R/W

0: slowest.

1: slow.

10: fastest.

11: fast.

[13:12] GPIO_DRV

Drive control for GPIOx pins.

0x0

R/W

0: medium.

1: weak.

10: strong.

11: strong.

[11:9]

GPIO_PIN_CFG3

GPIO3 pin configuration.

0x0

R/W

000: disabled (tristate, input buffer off).

001: enabled input.

010: output—normal.

011: output—inverted.

100: pull-down only—normal.

101: pull-down only—inverted.

110: pull-up only—normal.

111: pull-up only—inverted.

[8:6]

GPIO_PIN_CFG2

GPIO2 pin configuration.

0x0

R/W

000: disabled (tristate, input buffer off).

001: enabled input.

010: output—normal.

011: output—inverted.

100: pulldown only—normal.

101: pull-down only—inverted.

110: pull-up only—normal.

111: pull-up only—inverted.

[5:3]

GPIO_PIN_CFG1

GPIO1 pin configuration.

0x0

R/W

000: disabled (tristate, input buffer off).

001: enabled input.

010: output—normal.

011: output—inverted.

100: pull-down only—normal.

101: pull-down only—inverted.

110: pull-up only—normal.

111: pull-up only—inverted.

[2:0]

GPIO_PIN_CFG0

GPIO0 pin configuration.

0x0

R/W

000: disabled (tristate, input buffer off).

001: enabled input.

010: output—normal.

011: output—inverted.

100: pull-down only—normal.

101: pull-down only—inverted.

110: pull-up only—normal.

111: pull-up only—inverted.

ADPD4100 데이터시트(PDF) 86 Page - Analog Devices

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