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[nrf fromlist] boards: nordic: Add nRF93M1 DK board
Add build targets for nRF93M1 DK board which includes nRF54L15 as a host MCU. Bulk of the board definitions are copied from nRF54L15DK. Main differences: * The console UART is changed to uart20 as uart30 is routed to modem * Few GPIO hogs to control the modem and UART switches * nPM1300 PMIC set up to enable various voltages on board Signed-off-by: Seppo Takalo <seppo.takalo@nordicsemi.no> Upstream PR #: 106289
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‎boards/nordic/nrf93m1dk/CMakeLists.txt‎

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# Copyright (c) 2026 Nordic Semiconductor ASA.
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# SPDX-License-Identifier: Apache-2.0
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if((CONFIG_BOARD_NRF93M1DK_NRF54L15_CPUAPP AND NOT CONFIG_MCUBOOT)
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OR (CONFIG_BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS AND CONFIG_BUILD_WITH_TFM))
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zephyr_library()
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zephyr_library_sources(board.c)
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endif()

‎boards/nordic/nrf93m1dk/Kconfig.defconfig‎

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# Copyright (c) 2026 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config HW_STACK_PROTECTION
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default ARCH_HAS_STACK_PROTECTION
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if SPI_NOR
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config SPI_NOR_FLASH_LAYOUT_PAGE_SIZE
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default 4096 if MCUBOOT || BOOTLOADER_MCUBOOT
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endif # SPI_NOR
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if BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS
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config BOARD_NRF93M1DK
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select USE_DT_CODE_PARTITION if BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS
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config HAS_BT_CTLR
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default BT
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# By default, if we build for a Non-Secure version of the board,
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# enable building with TF-M as the Secure Execution Environment.
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config BUILD_WITH_TFM
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default y
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# If building with TF-M, disable UART in TF-M to avoid conflicts with
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# the UART used by the modem
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if BUILD_WITH_TFM
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config TFM_SECURE_UART
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default n
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config TFM_LOG_LEVEL_SILENCE
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default y
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endif # BUILD_WITH_TFM
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endif # BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS
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if BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS || BOARD_NRF93M1DK_NRF54L15_CPUAPP
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# Configure default init priority:
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# 1. I2C
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# 2. NPM13xx MFD (CONFIG_MFD_INIT_PRIORITY)
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# 3. NPM13xx charger (CONFIG_SENSOR_INIT_PRIORITY)
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# 4. board.c set the current limits
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# 5. Power domain GPIO (CONFIG_POWER_DOMAIN_GPIO_INIT_PRIORITY)
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# 6. Cellular modem (CONFIG_MODEM_CELLULAR_INIT_PRIORITY)
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#
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config I2C_INIT_PRIORITY
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default 50
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config MFD_INIT_PRIORITY
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default 80
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config SENSOR_INIT_PRIORITY
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default 90
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config POWER_DOMAIN_GPIO_INIT_PRIORITY
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default 92
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config MODEM_CELLULAR_INIT_PRIORITY
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default 93
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config BOARD_LATE_INIT_HOOK
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default y if !MCUBOOT
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if !MCUBOOT
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config I2C
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default y
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config REGULATOR
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default y
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config REGULATOR_NPM13XX
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default y
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config SENSOR
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default y
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config NPM13XX_CHARGER
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default y
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config POWER_DOMAIN
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default y
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endif # !MCUBOOT
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endif # BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS || BOARD_NRF93M1DK_NRF54L15_CPUAPP

‎boards/nordic/nrf93m1dk/Kconfig.nrf93m1dk‎

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# Copyright (c) 2026 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_NRF93M1DK
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select SOC_NRF54L15_CPUAPP if BOARD_NRF93M1DK_NRF54L15_CPUAPP || BOARD_NRF93M1DK_NRF54L15_CPUAPP_NS
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select SOC_NRF54L15_CPUFLPR if BOARD_NRF93M1DK_NRF54L15_CPUFLPR || \
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BOARD_NRF93M1DK_NRF54L15_CPUFLPR_XIP

‎boards/nordic/nrf93m1dk/board.c‎

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/*
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* Copyright (c) 2026 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/drivers/mfd/npm13xx.h>
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#include <zephyr/drivers/sensor.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(board, CONFIG_LOG_DEFAULT_LEVEL);
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void board_late_init_hook(void)
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{
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#if DT_HAS_COMPAT_STATUS_OKAY(nordic_npm1300_charger)
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static const struct device *charger = DEVICE_DT_GET(DT_NODELABEL(npm1300_charger));
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int ret;
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/* Set USB current limit */
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struct sensor_value limit = {
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.val1 = 1,
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.val2 = 500000,
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};
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if (!device_is_ready(charger)) {
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LOG_ERR("Device not ready");
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return;
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}
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ret = sensor_attr_set(charger, SENSOR_CHAN_CURRENT, SENSOR_ATTR_CONFIGURATION, &limit);
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if (ret < 0) {
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LOG_ERR("Failed to set current limit: %d", ret);
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return;
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}
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#endif /* DT_HAS_COMPAT_STATUS_OKAY(nordic_npm1300_charger) */
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}

‎boards/nordic/nrf93m1dk/board.cmake‎

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# Copyright (c) 2026 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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if(CONFIG_SOC_NRF54L15_CPUAPP)
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board_runner_args(jlink "--device=nRF54L15_M33" "--speed=4000")
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elseif(CONFIG_SOC_NRF54L15_CPUFLPR)
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board_runner_args(jlink "--device=nRF54L15_RV32")
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endif()
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if(CONFIG_TRUSTED_EXECUTION_NONSECURE)
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set(TFM_PUBLIC_KEY_FORMAT "full")
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endif()
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if(CONFIG_TFM_FLASH_MERGED_BINARY)
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set_property(TARGET runners_yaml_props_target PROPERTY hex_file tfm_merged.hex)
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endif()
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include(${ZEPHYR_BASE}/boards/common/nrfutil.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

‎boards/nordic/nrf93m1dk/board.yml‎

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board:
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name: nrf93m1dk
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full_name: nRF93M1 DK
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vendor: nordic
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revision:
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format: major.minor.patch
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default: "0.3.0"
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revisions:
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- name: "0.1.0"
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- name: "0.2.0"
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- name: "0.3.0"
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socs:
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- name: nrf54l15
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variants:
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- name: xip
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cpucluster: cpuflpr
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- name: ns
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cpucluster: cpuapp
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runners:
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run_once:
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'--recover':
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- runners:
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- nrfutil
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run: first
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groups:
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- boards:
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- nrf93m1dk/nrf54l15/cpuapp
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- nrf93m1dk/nrf54l15/cpuapp/ns
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- nrf93m1dk/nrf54l15/cpuflpr
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- nrf93m1dk/nrf54l15/cpuflpr/xip
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'--erase':
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- runners:
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- jlink
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- nrfutil
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run: first
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groups:
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- boards:
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- nrf93m1dk/nrf54l15/cpuapp
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- nrf93m1dk/nrf54l15/cpuapp/ns
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- nrf93m1dk/nrf54l15/cpuflpr
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- nrf93m1dk/nrf54l15/cpuflpr/xip
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'--reset':
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- runners:
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- jlink
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- nrfutil
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run: last
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groups:
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- boards:
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- nrf93m1dk/nrf54l15/cpuapp
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- nrf93m1dk/nrf54l15/cpuapp/ns
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- nrf93m1dk/nrf54l15/cpuflpr
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- nrf93m1dk/nrf54l15/cpuflpr/xip

‎boards/nordic/nrf93m1dk/doc/img/nrf91m1_dk.webp‎

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‎boards/nordic/nrf93m1dk/doc/index.rst‎

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.. zephyr:board:: nrf93m1dk
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Overview
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********
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.. note::
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You can find more information about the nRF93M1 module on the `nRF93M1 website`_.
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The nRF93M1 Development Kit (DK) is a single-board development kit for evaluation
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and development of LTE Cat 1 bis IoT applications using the nRF93M1 cellular module.
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The board integrates the Nordic Semiconductor nRF54L15 as the host MCU and the
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nRF93M1 as the LTE Cat 1 bis modem module, connected over UART.
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.. figure:: img/nrf91m1_dk.webp
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:align: center
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:alt: nRF93M1 DK
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nRF93M1 DK (Credit: Nordic Semiconductor)
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Hardware
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********
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The nRF93M1 DK includes the following hardware components:
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* nRF54L15 host MCU (ARM Cortex-M33 application core + RISC-V FLPR core)
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* nRF93M1 LTE Cat 1 bis modem module
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* nPM1300 PMIC with battery charger
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* USB-C connector for programming, debugging and power
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Supported Features
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==================
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.. zephyr:board-supported-hw::
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Connections and IOs
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===================
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LED
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---
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* LED1 (blue) = P2.9
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* LED2 (red) = P2.8
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* LED3 (green) = P2.10
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Push buttons
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------------
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* BUTTON1 = P0.4
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* BUTTON2 = P1.9
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nRF93M1 Modem
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=============
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The nRF93M1 modem module is connected to the nRF54L15 host MCU over UART with
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hardware flow control (``uart30``). The following control signals are available:
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* DC switch enable = P1.1
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* Power key = P1.13
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* Reset = P1.12
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* USB boot = P1.0
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* VCOM1 control = P2.6
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Programming and Debugging
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*************************
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.. zephyr:board-supported-runners::
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Applications for the ``nrf93m1dk/nrf54l15/cpuapp`` board target can be
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built, flashed, and debugged in the usual way. See
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:ref:`build_an_application` and :ref:`application_run` for more details on
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building and running.
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Flashing
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========
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As an example, this section shows how to build and flash the :zephyr:code-sample:`hello_world`
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application.
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Follow the instructions in the :ref:`nordic_segger` page to install
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and configure all the necessary software. Further information can be
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found in :ref:`nordic_segger_flashing`.
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To build and program the sample to the nRF93M1 DK, complete the following steps:
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First, connect the nRF93M1 DK to your computer using the USB1 port on the DK.
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Next, build the sample by running the following command:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: nrf93m1dk/nrf54l15/cpuapp
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:goals: build flash
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Debugging
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=========
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Refer to the :ref:`nordic_segger` page to learn about debugging Nordic boards with a
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Segger IC.
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References
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**********
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.. target-notes::
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.. _IDAU:
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https://developer.arm.com/docs/100690/latest/attribution-units-sau-and-idau
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.. _nRF93M1 website: https://www.nordicsemi.com/Products/nRF93M1
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.. _Trusted Firmware M: https://www.trustedfirmware.org/projects/tf-m/

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