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dts: arm: st: add stm32h523Xe support
Provide support for STM32H523XE. Signed-off-by: Filip Stojanovic <[email protected]>
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‎boards/weact/blackpill_h523ce/Kconfig.blackpill_h523ce

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# SPDX-License-Identifier: Apache-2.0
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config BOARD_BLACKPILL_H523CE
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select SOC_STM32H533XX
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select SOC_STM32H523XX

‎boards/weact/blackpill_h523ce/blackpill_h523ce.dts

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@@ -49,7 +49,7 @@
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&timers3 {
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status = "okay";
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st, prescaler = <1000>;
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st,prescaler = <24>;
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pwm3: pwm {
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status = "okay";
@@ -93,7 +93,7 @@ zephyr_udc0: &usb {
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clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000400>, <&rcc STM32_SRC_HCLK ADCDAC_SEL(0)>;
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pinctrl-0 = <&adc1_inp1_pa1>;
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pinctrl-names = "default";
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st,adc-clock - source = "ASYNC";
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st,adc-clock-source = "ASYNC";
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st,adc-prescaler = <8>;
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status = "okay";
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};

‎boards/weact/blackpill_h523ce/board.yml

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@@ -3,4 +3,4 @@ board:
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full_name: Black Pill STM32H523
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vendor: weact
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socs:
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- name: stm32h533xx
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- name: stm32h523xx

‎boards/weact/blackpill_h523ce/doc/index.rst

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Overview
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********
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The WeAct STM32H523CE Core Board is a low cost and bare-bone development
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board made in famous "blackpill" package. It features STM32H523CE, high
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performance microcontroller based on a Arm Cortex M33 processor.
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board made in famous "blackpill" package. It features STM32H523CE, a high
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performance microcontroller based on an Arm Cortex M33 processor.
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Hardware
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********
@@ -13,7 +13,7 @@ The STM32H523CE based Black Pill board provides the following hardware
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components:
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- STM32H523CE in 48 pin package
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- ARM 32-bit Cortex -M33 CPU with FPU
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- ARM 32-bit Cortex-M33 CPU with FPU
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- 250 MHz max CPU frequency
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- VDD from 1.7 V to 3.6 V
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- 512 kB Flash
@@ -63,11 +63,11 @@ Flashing
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Installing dfu-util
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-------------------
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It is recommended to use at least v0.8 of `dfu-util`_. The package available in
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debian/ubuntu can be quite old, so you might have to build dfu-util from source.
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It is recommended to use at least v0.8 of `dfu-util <https://dfu-util.sourceforge.net/>`_. The package available in
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Debian/Ubuntu can be quite old, so you might have to build dfu-util from source.
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There is also a Windows version which works, but you may have to install the
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right USB drivers with a tool like `Zadig`_.
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right USB drivers with a tool like `Zadig <https://zadig.akeo.ie/>`_.
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Flashing an Application
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-----------------------
@@ -79,11 +79,11 @@ The dfu-util runner is supported on this board and so a sample can be built and
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tested easily.
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/blinky
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:board: blackpill_h523ce
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:goals: build flash
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Debugging
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=========
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@@ -97,10 +97,10 @@ References
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.. target-notes::
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.. _WeAct Github:
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https://github.com/WeActStudio/WeActStudio.STM32H523CoreBoard/tree/master
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https://github.com/WeActStudio/WeActStudio.STM32H523CoreBoard/tree/master
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.. _STM32H523CE website:
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https://www.st.com/en/microcontrollers-microprocessors/stm32h523ce.html
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https://www.st.com/en/microcontrollers-microprocessors/stm32h523ce.html
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.. _STM32H523CE reference manual:
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https://www.st.com/en/microcontrollers-microprocessors/stm32h523ce.html#
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https://www.st.com/en/microcontrollers-microprocessors/stm32h523ce.html#

‎dts/arm/st/h5/stm32h523.dtsi

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/*
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* Copyright (c) 2024 STMicroelectronics
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* Copyright (c) 2025 Filip Stojanovic
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <st/h5/stm32h5.dtsi>
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/ {
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soc {
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compatible = "st,stm32h533", "st,stm32h5", "simple-bus";
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gpiof: gpio@42021400 {
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compatible = "st,stm32-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0x42021400 0x400>;
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clocks = <&rcc STM32_CLOCK(AHB2, 7U)>;
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};
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fmc: memory-controller@47000400 {
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compatible = "st,stm32-fmc";
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reg = <0x47000400 0x400>;
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clocks = <&rcc STM32_CLOCK(AHB4, 16U)>;
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status = "disabled";
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};
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};
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};

‎dts/arm/st/h5/stm32h523Xe.dtsi

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/*
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* Copyright (c) 2024 STMicroelectronics
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* Copyright (c) 2025 Filip Stojanovic
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <mem.h>
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#include <st/h5/stm32h523.dtsi>
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/ {
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sram1: memory@20000000 {
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compatible = "zephyr,memory-region", "mmio-sram";
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reg = <0x20000000 DT_SIZE_K(128)>;
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zephyr,memory-region = "SRAM1";
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};
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sram2: memory@20040000 {
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compatible = "zephyr,memory-region", "mmio-sram";
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reg = <0x20040000 DT_SIZE_K(80)>;
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zephyr,memory-region = "SRAM2";
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};
22+
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sram3: memory@20050000 {
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compatible = "zephyr,memory-region", "mmio-sram";
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reg = <0x20050000 DT_SIZE_K(64)>;
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zephyr,memory-region = "SRAM3";
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};
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29+
soc {
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flash-controller@40022000 {
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flash0: flash@8000000 {
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reg = <0x08000000 DT_SIZE_K(512)>;
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};
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};
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};
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};

‎dts/arm/st/h5/stm32h533.dtsi

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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <st/h5/stm32h5.dtsi>
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/ {
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soc {
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compatible = "st,stm32h533", "st,stm32h5", "simple-bus";
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12-
gpiof: gpio@42021400 {
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compatible = "st,stm32-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0x42021400 0x400>;
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clocks = <&rcc STM32_CLOCK(AHB2, 7U)>;
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};
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fmc: memory-controller@47000400 {
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compatible = "st,stm32-fmc";
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reg = <0x47000400 0x400>;
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clocks = <&rcc STM32_CLOCK(AHB4, 16U)>;
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status = "disabled";
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};
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};
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};
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#include <st/h5/stm32h523.dtsi>

‎soc/st/stm32/soc.yml

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@@ -102,6 +102,7 @@ family:
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- name: stm32h5x
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socs:
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- name: stm32h503xx
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- name: stm32h523xx
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- name: stm32h533xx
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- name: stm32h562xx
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- name: stm32h563xx

‎soc/st/stm32/stm32h5x/Kconfig.defconfig.stm32h523xx

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# STMicroelectronics STM32H523XX MCU
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# Copyright (c) 2024 STMicroelectronics
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# SPDX-License-Identifier: Apache-2.0
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6+
if SOC_STM32H523XX
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8+
config NUM_IRQS
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default 133
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11+
endif # SOC_STM32H523XX

‎soc/st/stm32/stm32h5x/Kconfig.soc

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@@ -14,6 +14,10 @@ config SOC_STM32H503XX
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bool
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select SOC_SERIES_STM32H5X
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config SOC_STM32H523XX
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bool
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select SOC_SERIES_STM32H5X
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config SOC_STM32H533XX
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bool
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select SOC_SERIES_STM32H5X
@@ -32,6 +36,7 @@ config SOC_STM32H573XX
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config SOC
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default "stm32h503xx" if SOC_STM32H503XX
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default "stm32h523xx" if SOC_STM32H523XX
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default "stm32h533xx" if SOC_STM32H533XX
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default "stm32h562xx" if SOC_STM32H562XX
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default "stm32h563xx" if SOC_STM32H563XX

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