DA9021 datasheet(78/142 Pages) DIALOG

78 / 142 page

DA9021/22

System PMIC with high efficiency USB power manager

Datasheet

Revision 2.5

17-Feb-2017

CFR0011-120-00 Rev 5

78 of 142

Table 62: GPIO10 to 11

Bit

Type

Label

Default

Description

R26

GPIO_10-11

1:0

R/W

GPIO10_PIN

PIN and status register bit assigned to

00 : PWR1_EN (requires GPIO10_

MODE = ‘1’)

01 : GPI

10: GPO (Open drain)

11: GPO (Push-pull)

R/W

GPIO10_TYPE

0: GPI/PWR1_EN: active low

GPO: supplied from VDD_IO/internal

pull-up in open-drain mode

1: GPI/PWR1_EN: active high

GPO: blinking from RTC counter,

supplied from VDD_IO/ external pull-up

in open-drain mode

R/W

GPIO10_ MODE

0: GPI: debouncing off

GPO: Sets output to low level (active

low for blinking) Note 1

1: GPI/PWR1_EN: debouncing on and

generate wakeup, time out from

processing ID WAIT_STEP after 500 ms

GPO: Sets output to high level (active

high for blinking) Note 1

7:4

R/W

1110

RESERVED

Note 1

Active low/high selection available from BC silicon

Table 63: GPIO12 to 13

address

Bit

Type

Label

Default

Description

R27

GPIO_12-13

1:0

R/W

GPIO12_PIN

PIN and status register bit assigned to

00: GP_FB1 (EXT_WAKEUP/READY)

01: GPI (LDO9 hardware control)

10: GPO (Open drain)

11: GPO (Push-pull)

R/W

GPIO12_TYPE

0: GPI: active low

GPO/GP_FB1: supplied from

VDD_IO/internal pull-up for open-drain

1: GPI: active high

GPO/GP_FB1: supplied from

VDD_IO/external pull-up in open-drain

mode

R/W

GPIO12_ MODE

0: GPI: debouncing off, Set LDO9_EN

when GPI transfers to active state (reset

when GPI gets to passive state)

GPO: Sets output to low level

1: GPI: debouncing on, no LDO9_EN

control

GPO: Sets output to high level

5:4

R/W

GPIO13_PIN

PIN assigned to

00: nVDD_FAULT

01: GPI

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