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tests: benchmarks: Add UARTE suspend test with current measurement
PM suspend have not been tested with power measurement so far. Signed-off-by: Bartosz Miller <[email protected]>
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‎tests/benchmarks/current_consumption/uarte_suspend/CMakeLists.txt‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(uarte_suspend)
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target_sources(app PRIVATE src/main.c)

‎tests/benchmarks/current_consumption/uarte_suspend/Kconfig.sysbuild‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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source "${ZEPHYR_BASE}/share/sysbuild/Kconfig"
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config REMOTE_BOARD
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string
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default "$(BOARD)/nrf54h20/cpurad" if SOC_NRF54H20_CPUAPP

‎tests/benchmarks/current_consumption/uarte_suspend/boards/nrf52840dk_nrf52840.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/ {
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aliases {
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led = &led0;
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/delete-property/ led1;
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};
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};
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/delete-node/ &led1;
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&pinctrl {
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uart1_default_alt: uart1_default_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 6)>,
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<NRF_PSEL(UART_RX, 0, 8)>;
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};
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};
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uart1_sleep_alt: uart1_sleep_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 6)>,
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<NRF_PSEL(UART_RX, 0, 8)>;
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low-power-enable;
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};
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};
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uart0_default_alt: uart0_default_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 1)>,
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<NRF_PSEL(UART_RX, 1, 2)>,
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<NRF_PSEL(UART_RTS, 1, 3)>,
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<NRF_PSEL(UART_CTS, 1, 4)>;
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};
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};
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uart0_sleep_alt: uart0_sleep_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 1)>,
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<NRF_PSEL(UART_RX, 1, 2)>,
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<NRF_PSEL(UART_RTS, 1, 3)>,
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<NRF_PSEL(UART_CTS, 1, 4)>;
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low-power-enable;
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};
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};
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};
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/ {
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chosen {
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zephyr,console = &uart1;
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};
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};
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&uart1 {
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current-speed = <115200>;
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status = "okay";
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pinctrl-0 = <&uart1_default_alt>;
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pinctrl-1 = <&uart1_sleep_alt>;
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pinctrl-names = "default", "sleep";
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};
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dut: &uart0 {
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compatible = "nordic,nrf-uarte";
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current-speed = <115200>;
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status = "okay";
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pinctrl-0 = <&uart0_default_alt>;
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pinctrl-1 = <&uart0_sleep_alt>;
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pinctrl-names = "default", "sleep";
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};

‎tests/benchmarks/current_consumption/uarte_suspend/boards/nrf5340dk_nrf5340_cpuapp.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/ {
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aliases {
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led = &led0;
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/delete-property/ led1;
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};
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};
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/delete-node/ &led1;
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&pinctrl {
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uart1_default_alt: uart1_default_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 4)>,
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<NRF_PSEL(UART_RX, 0, 5)>,
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<NRF_PSEL(UART_RTS, 0, 6)>,
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<NRF_PSEL(UART_CTS, 0, 7)>;
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};
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};
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uart1_sleep_alt: uart1_sleep_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 4)>,
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<NRF_PSEL(UART_RX, 0, 5)>,
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<NRF_PSEL(UART_RTS, 0, 6)>,
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<NRF_PSEL(UART_CTS, 0, 7)>;
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low-power-enable;
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};
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};
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};
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dut: &uart1 {
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current-speed = <115200>;
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compatible = "nordic,nrf-uarte";
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status = "okay";
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pinctrl-0 = <&uart1_default_alt>;
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pinctrl-1 = <&uart1_sleep_alt>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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};

‎tests/benchmarks/current_consumption/uarte_suspend/boards/nrf54h20dk_nrf54h20_cpuapp.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/ {
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aliases {
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led = &led0;
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/delete-property/ led1;
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};
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};
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/delete-node/ &led1;
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&cpuapp_dma_region {
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status="okay";
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};
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/* UART device used for test
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* not the default UART assignment for the LD
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*/
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&pinctrl {
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uart135_default_alt: uart135_default_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 6)>,
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<NRF_PSEL(UART_RX, 0, 7)>,
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<NRF_PSEL(UART_RTS, 0, 8)>,
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<NRF_PSEL(UART_CTS, 0, 9)>;
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};
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};
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uart135_sleep_alt: uart135_sleep_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 6)>,
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<NRF_PSEL(UART_RX, 0, 7)>,
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<NRF_PSEL(UART_RTS, 0, 8)>,
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<NRF_PSEL(UART_CTS, 0, 9)>;
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low-power-enable;
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};
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};
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};
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dut: &uart135 {
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status = "okay";
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memory-regions = <&cpuapp_dma_region>;
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pinctrl-0 = <&uart135_default_alt>;
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pinctrl-1 = <&uart135_sleep_alt>;
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pinctrl-names = "default", "sleep";
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current-speed = <115200>;
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hw-flow-control;
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};

‎tests/benchmarks/current_consumption/uarte_suspend/boards/nrf54l15dk_nrf54l15_cpuapp.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/ {
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aliases {
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led = &led0;
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/delete-property/ led1;
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};
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};
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/delete-node/ &led1;
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&pinctrl {
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uart21_default: uart21_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>,
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<NRF_PSEL(UART_RTS, 1, 8)>,
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<NRF_PSEL(UART_CTS, 1, 9)>;
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};
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};
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uart21_sleep: uart21_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>,
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<NRF_PSEL(UART_RTS, 1, 8)>,
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<NRF_PSEL(UART_CTS, 1, 9)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart21_default>;
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pinctrl-1 = <&uart21_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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};

‎tests/benchmarks/current_consumption/uarte_suspend/prj.conf‎

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CONFIG_SERIAL=y
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CONFIG_MAIN_STACK_SIZE=2048
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CONFIG_UART_ASYNC_API=y
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CONFIG_PM=y
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CONFIG_PM_DEVICE=y
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CONFIG_PM_DEVICE_RUNTIME=y
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CONFIG_POWEROFF=y
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# For nrf54h only, will be ingored for other platforms
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CONFIG_PM_S2RAM=y
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CONFIG_PM_S2RAM_CUSTOM_MARKING=y
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CONFIG_BOOT_BANNER=n
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CONFIG_ASSERT=y
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# Enable for debugging purposes only
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CONFIG_PRINTK=n
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CONFIG_LOG=n
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CONFIG_CONSOLE=n
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CONFIG_UART_CONSOLE=n

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