NRF52820-QDAA-R datasheet(45/437 Pages) NORDIC

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Power and clock management

Condition

Value

Supply

3 V on VDD/VDDH (Normal voltage mode)

Temperature

25°C

CPU

WFI (wait for interrupt)/WFE (wait for event) sleep

Peripherals

All idle

Clock

Not running

Regulator

LDO

RAM

In System ON, full 32 kB powered. In System OFF, full 32 kB retention.

Compiler

GCC v7.3.1 20180622 (release) [ARM/embedded-7-branch revision 261907]

(GNU Tools for Arm Embedded Processors 7-2018-q3-update).

• Compiler flags:

-O0 -falign-functions=16 -fno-strict-

aliasing -mthumb -mcpu=cortex-m4 -mfloat-abi=hard

-mfpu=fpv4-sp-d16.

Compiler for CPU

Running and

Compounded

ARMCC v6.13.

• Compiler flags:

-xc -std=gnu99 --target=arm-arm-none-

eabi -mcpu=cortex-m4 -mfpu=none -mfloat-abi=soft

-c -fno-rtti -funsigned-char -gdwarf-3 -fropi -

Ofast -ffunction-sections -Omax

• Linker flags:

--cpu=Cortex-M4 --fpu=SoftVFP --strict -

Omax

32 MHz crystal2

SMD 2520, 32 MHz, 10 pF +/- 10 ppm

Table 14: Current consumption scenarios, common conditions

5.2.1 Electrical specification

5.2.1.1 Sleep

Symbol

Description

Min.

Typ.

Max.

Units

ION_RAMOFF_EVENT

System ON, no RAM retention, wake on any event

0.4

µA

ION_RAMON_EVENT

System ON, full 32 kB RAM retention, wake on any event

0.6

µA

ION_RAMON_POF

System ON, full 32 kB RAM retention, wake on any event,

power-fail comparator enabled

0.8

µA

ION_RAMON_GPIOTE

System ON, full 32 kB RAM retention, wake on GPIOTE input

(event mode)

2.5

µA

ION_RAMON_GPIOTEPORTSystem ON, full 32 kB RAM retention, wake on GPIOTE PORT

event

0.6

µA

ION_RAMOFF_RTC

System ON, no RAM retention, wake on RTC (running from

LFRC clock)

1.2

µA

ION_RAMON_RTC

System ON, full 32 kB RAM retention, wake on RTC (running

from LFRC clock)

1.4

µA

IOFF_RAMOFF_RESET

System OFF, no RAM retention, wake on reset

0.3

µA

IOFF_RAMON_RESET

System OFF, full 32 kB RAM retention, wake on reset

0.5

µA

2 Applies only when HFXO is running

4463_156 v1.0

NRF52820-QDAA-R Datasheet(PDF) 45 Page - Nordic Semiconductor

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