NRF52810-QFAA-R datasheet(190/483 Pages) NORDIC

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Peripherals

This feature is always enabled although the peripheral itself appears to be IDLE, that is, no clocks or

other power intensive infrastructure have to be requested to keep this feature enabled. This feature can

therefore be used to wake up the CPU from a WFI or WFE type sleep in System ON with all peripherals and

the CPU idle, that is, lowest power consumption in System ON mode.

In order to prevent spurious interrupts from the PORT event while configuring the sources, the user

shall first disable interrupts on the PORT event (through INTENCLR.PORT), then configure the sources

(PIN_CNF[n].SENSE), clear any potential event that could have occurred during configuration (write '1' to

EVENTS_PORT), and finally enable interrupts (through INTENSET.PORT).

6.9.3 Tasks and events pin configuration

Each GPIOTE channel is associated with one physical GPIO pin through the CONFIG.PSEL field.

When Event mode is selected in CONFIG.MODE, the pin specified by CONFIG.PSEL will be configured

as an input, overriding the DIR setting in GPIO. Similarly, when Task mode is selected in CONFIG.MODE,

the pin specified by CONFIG.PSEL will be configured as an output overriding the DIR setting and OUT

value in GPIO. When Disabled is selected in CONFIG.MODE, the pin specified by CONFIG.PSEL will use its

configuration from the PIN[n].CNF registers in GPIO.

Only one GPIOTE channel can be assigned to one physical pin. Failing to do so may result in unpredictable

behavior.

6.9.4 Registers

Base address

Peripheral

Instance

Description

Configuration

0x40006000

GPIOTE

GPIO tasks and events

Table 40: Instances

Offset

Description

TASKS_OUT[0]

0x000

Task for writing to pin specified in CONFIG[0].PSEL. Action on pin is configured in

CONFIG[0].POLARITY.

TASKS_OUT[1]

0x004

Task for writing to pin specified in CONFIG[1].PSEL. Action on pin is configured in

CONFIG[1].POLARITY.

TASKS_OUT[2]

0x008

Task for writing to pin specified in CONFIG[2].PSEL. Action on pin is configured in

CONFIG[2].POLARITY.

TASKS_OUT[3]

0x00C

Task for writing to pin specified in CONFIG[3].PSEL. Action on pin is configured in

CONFIG[3].POLARITY.

TASKS_OUT[4]

0x010

Task for writing to pin specified in CONFIG[4].PSEL. Action on pin is configured in

CONFIG[4].POLARITY.

TASKS_OUT[5]

0x014

Task for writing to pin specified in CONFIG[5].PSEL. Action on pin is configured in

CONFIG[5].POLARITY.

TASKS_OUT[6]

0x018

Task for writing to pin specified in CONFIG[6].PSEL. Action on pin is configured in

CONFIG[6].POLARITY.

TASKS_OUT[7]

0x01C

Task for writing to pin specified in CONFIG[7].PSEL. Action on pin is configured in

CONFIG[7].POLARITY.

TASKS_SET[0]

0x030

Task for writing to pin specified in CONFIG[0].PSEL. Action on pin is to set it high.

TASKS_SET[1]

0x034

Task for writing to pin specified in CONFIG[1].PSEL. Action on pin is to set it high.

TASKS_SET[2]

0x038

Task for writing to pin specified in CONFIG[2].PSEL. Action on pin is to set it high.

TASKS_SET[3]

0x03C

Task for writing to pin specified in CONFIG[3].PSEL. Action on pin is to set it high.

TASKS_SET[4]

0x040

Task for writing to pin specified in CONFIG[4].PSEL. Action on pin is to set it high.

TASKS_SET[5]

0x044

Task for writing to pin specified in CONFIG[5].PSEL. Action on pin is to set it high.

TASKS_SET[6]

0x048

Task for writing to pin specified in CONFIG[6].PSEL. Action on pin is to set it high.

TASKS_SET[7]

0x04C

Task for writing to pin specified in CONFIG[7].PSEL. Action on pin is to set it high.

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NRF52810-QFAA-R Datasheet(PDF) 190 Page - Nordic Semiconductor

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