NRF52820-QDAA-R datasheet(127/437 Pages) NORDIC

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Peripherals

6.7.1.5 INTENCLR

Address offset: 0x308

Disable interrupt

Bit number

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

P O N M L K J I H G F E D C B A

Reset 0x00000000

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Access

Field

Value ID

Value

Description

A-P RW TRIGGERED[i] (i=0..15)

Write '1' to disable interrupt for event TRIGGERED[i]

Clear

Disable

Disabled

Read: Disabled

Enabled

Read: Enabled

6.7.2 Electrical specification

6.7.2.1 EGU Electrical Specification

Symbol

Description

Min.

Typ.

Max.

Units

tEGU,EVT

Latency between setting an EGU event flag and the system

setting an interrupt

cycles

6.8 GPIO — General purpose input/output

The general purpose input/output pins (GPIOs) are grouped as one or more ports, with each port having

up to 32 GPIOs.

The number of ports and GPIOs per port varies with product variant and package. Refer to Registers on

page 130 and Pin assignments on page 415 for more information about the number of GPIOs that are

supported.

GPIO has the following user-configurable features:

• Up to 32 GPIO pins per GPIO port

• Output drive strength

• Internal pull-up and pull-down resistors

• Wake-up from high or low level triggers on all pins

• Trigger interrupt on state changes on any pin

• All pins can be used by the PPI task/event system

• One or more GPIO outputs can be controlled through the PPI and GPIOTE channels

• Any pin can be mapped to a peripheral for layout flexibility

• GPIO state changes captured on the SENSE signal can be stored by the LATCH register

The GPIO port peripheral implements up to 32 pins,

PIN0 through PIN31. Each of these pins can be

individually configured in the PIN_CNF[n] registers (n=0..31).

The following parameters can be configured through these registers:

• Direction

• Drive strength

• Enabling of pull-up and pull-down resistors

• Pin sensing

• Input buffer disconnect

4463_156 v1.0

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NRF52820-QDAA-R Datasheet(PDF) 127 Page - Nordic Semiconductor

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