stm32duino · fpistm · Nov 13, 2025 · Nov 13, 2025 · Nov 13, 2025
diff --git a/README.md b/README.md
@@ -115,6 +115,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32H563ZI | [Nucleo H563ZI](https://www.st.com/en/evaluation-tools/nucleo-h563zi.html) | *2.6.0* |  |
 | :green_heart:  | STM32H723ZG | [Nucleo H723ZG](https://www.st.com/en/evaluation-tools/nucleo-h723zg.html) | *2.4.0* |  |
 | :green_heart:  | STM32H743ZI | [Nucleo H743ZI(2)](https://www.st.com/en/evaluation-tools/nucleo-h743zi.html) | *1.5.0* | Nucleo H743ZI2 since 1.6.0 |
+| :yellow_heart: | STM32H745ZI-Q | [Nucleo-H745ZI-Q](https://www.st.com/en/evaluation-tools/nucleo-h745zi-q.html) | **2.12.0** |  |
 | :green_heart:  | STM32H753ZI | [Nucleo H753ZI](https://www.st.com/en/evaluation-tools/nucleo-h753zi.html) | *2.7.0* |  |
 | :green_heart: | STM32H7A3ZITxQ | [NUCLEO-H7A3ZI-Q](https://www.st.com/en/evaluation-tools/nucleo-h7a3zi-q.html) | *2.10.0* |  |
 | :green_heart:  | STM32L496ZG | [Nucleo L496ZG](http://www.st.com/en/evaluation-tools/nucleo-l496zg.html) | *1.3.0* |  |
@@ -610,6 +611,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart: | STM32H743XG<br>STM32H743XI | Generic Board | *2.7.0* |  |
 | :green_heart: | STM32H743ZG<br>STM32H743ZI | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H745XG<br>STM32H745XI | Generic Board | *2.7.0* |  |
+| :yellow_heart: | STM32H745ZG<br>STM32H745ZI | Generic Board | **2.12.0** |  |
 | :green_heart: | STM32H747AG<br>STM32H747AI | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H747IG<br>STM32H747II | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H747XG<br>STM32H747XI | Generic Board | *2.7.0* |  |
@@ -626,6 +628,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart: | STM32H753XI | Generic Board | *2.7.0* |  |
 | :green_heart: | STM32H753ZI | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H755XI | Generic Board | *2.7.0* |  |
+| :yellow_heart: | STM32H755ZI | Generic Board | **2.12.0** |  |
 | :green_heart: | STM32H757AI | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H757II | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H757XI | Generic Board | *2.7.0* |  |

diff --git a/boards.txt b/boards.txt
@@ -257,6 +257,24 @@ Nucleo_144.menu.pnum.NUCLEO_H743ZI2.build.variant_h=variant_NUCLEO_H743ZI.h
 Nucleo_144.menu.pnum.NUCLEO_H743ZI2.openocd.target=stm32h7x
 Nucleo_144.menu.pnum.NUCLEO_H743ZI2.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H743.svd
 
+# NUCLEO_H745ZI_Q board
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q=Nucleo H745ZI-Q
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.node=NODE_H743ZIQ
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.upload.maximum_size=2097152
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.upload.maximum_data_size=884736
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.mcu=cortex-m7
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.fpu=-mfpu=fpv4-sp-d16
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.float-abi=-mfloat-abi=hard
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.st_extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -DCORE_CM7
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.board=NUCLEO_H745ZI_Q
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.series=STM32H7xx
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.product_line=STM32H745xx
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.variant=STM32H7xx/H745Z(G-I)T_H755ZIT
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.build.variant_h=variant_NUCLEO_H745ZI_Q.h
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.openocd.target=stm32h7x
+Nucleo_144.menu.pnum.NUCLEO_H745ZI_Q.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H745_CM7.svd
+
+
 # NUCLEO_H753ZI board
 Nucleo_144.menu.pnum.NUCLEO_H753ZI=Nucleo H753ZI
 Nucleo_144.menu.pnum.NUCLEO_H753ZI.node=NODE_H753ZI
@@ -9830,6 +9848,24 @@ GenH7.menu.pnum.GENERIC_H745XIHX.build.product_line=STM32H745xx
 GenH7.menu.pnum.GENERIC_H745XIHX.build.variant=STM32H7xx/H742X(G-I)H_H743X(G-I)H_H745X(G-I)H_H747X(G-I)H_H750XBH_H753XIH_H755XIH_H757XIH
 GenH7.menu.pnum.GENERIC_H745XIHX.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H745_CM7.svd
 
+# Generic H745ZGTx
+GenH7.menu.pnum.GENERIC_H745ZGTX=Generic H745ZGTx
+GenH7.menu.pnum.GENERIC_H745ZGTX.upload.maximum_size=1048576
+GenH7.menu.pnum.GENERIC_H745ZGTX.upload.maximum_data_size=884736
+GenH7.menu.pnum.GENERIC_H745ZGTX.build.board=GENERIC_H745ZGTX
+GenH7.menu.pnum.GENERIC_H745ZGTX.build.product_line=STM32H745xG
+GenH7.menu.pnum.GENERIC_H745ZGTX.build.variant=STM32H7xx/H745Z(G-I)T_H755ZIT
+GenH7.menu.pnum.GENERIC_H745ZGTX.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H745_CM7.svd
+
+# Generic H745ZITx
+GenH7.menu.pnum.GENERIC_H745ZITX=Generic H745ZITx
+GenH7.menu.pnum.GENERIC_H745ZITX.upload.maximum_size=2097152
+GenH7.menu.pnum.GENERIC_H745ZITX.upload.maximum_data_size=884736
+GenH7.menu.pnum.GENERIC_H745ZITX.build.board=GENERIC_H745ZITX
+GenH7.menu.pnum.GENERIC_H745ZITX.build.product_line=STM32H745xx
+GenH7.menu.pnum.GENERIC_H745ZITX.build.variant=STM32H7xx/H745Z(G-I)T_H755ZIT
+GenH7.menu.pnum.GENERIC_H745ZITX.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H745_CM7.svd
+
 # Generic H747AGIx
 GenH7.menu.pnum.GENERIC_H747AGIX=Generic H747AGIx
 GenH7.menu.pnum.GENERIC_H747AGIX.upload.maximum_size=1048576
@@ -9992,6 +10028,15 @@ GenH7.menu.pnum.GENERIC_H755XIHX.build.product_line=STM32H755xx
 GenH7.menu.pnum.GENERIC_H755XIHX.build.variant=STM32H7xx/H742X(G-I)H_H743X(G-I)H_H745X(G-I)H_H747X(G-I)H_H750XBH_H753XIH_H755XIH_H757XIH
 GenH7.menu.pnum.GENERIC_H755XIHX.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H755_CM7.svd
 
+# Generic H755ZITx
+GenH7.menu.pnum.GENERIC_H755ZITX=Generic H755ZITx
+GenH7.menu.pnum.GENERIC_H755ZITX.upload.maximum_size=2097152
+GenH7.menu.pnum.GENERIC_H755ZITX.upload.maximum_data_size=884736
+GenH7.menu.pnum.GENERIC_H755ZITX.build.board=GENERIC_H755ZITX
+GenH7.menu.pnum.GENERIC_H755ZITX.build.product_line=STM32H755xx
+GenH7.menu.pnum.GENERIC_H755ZITX.build.variant=STM32H7xx/H745Z(G-I)T_H755ZIT
+GenH7.menu.pnum.GENERIC_H755ZITX.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32H7xx/STM32H755_CM7.svd
+
 # Generic H757AIIx
 GenH7.menu.pnum.GENERIC_H757AIIX=Generic H757AIIx
 GenH7.menu.pnum.GENERIC_H757AIIX.upload.maximum_size=2097152

diff --git a/cmake/boards_db.cmake b/cmake/boards_db.cmake
@@ -81022,6 +81022,88 @@ target_compile_options(GENERIC_H745XIHX_xusb_HSFS INTERFACE
   "SHELL:-DUSE_USB_HS -DUSE_USB_HS_IN_FS"
 )
 
+# GENERIC_H745ZITX
+# -----------------------------------------------------------------------------
+
+set(GENERIC_H745ZITX_VARIANT_PATH "${CMAKE_CURRENT_LIST_DIR}/../variants/STM32H7xx/H745Z(G-I)T_H755ZIT")
+set(GENERIC_H745ZITX_MAXSIZE 2097152)
+set(GENERIC_H745ZITX_MAXDATASIZE 884736)
+set(GENERIC_H745ZITX_MCU cortex-m7)
+set(GENERIC_H745ZITX_FPCONF "-")
+add_library(GENERIC_H745ZITX INTERFACE)
+target_compile_options(GENERIC_H745ZITX INTERFACE
+  "SHELL:-DCORE_CM7 -DSTM32H745xx"
+  "SHELL:"
+  "SHELL:"
+  "SHELL:-mfpu=fpv4-sp-d16 -mfloat-abi=hard"
+  -mcpu=${GENERIC_H745ZITX_MCU}
+)
+target_compile_definitions(GENERIC_H745ZITX INTERFACE
+  "STM32H7xx"
+	"ARDUINO_GENERIC_H745ZITX"
+	"BOARD_NAME=\"GENERIC_H745ZITX\""
+	"BOARD_ID=GENERIC_H745ZITX"
+	"VARIANT_H=\"variant_generic.h\""
+)
+target_include_directories(GENERIC_H745ZITX INTERFACE
+  ${CMAKE_CURRENT_LIST_DIR}/../system/STM32H7xx
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/STM32H7xx_HAL_Driver/Inc
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/STM32H7xx_HAL_Driver/Src
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/CMSIS/Device/ST/STM32H7xx/Include/
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/gcc/
+  ${GENERIC_H745ZITX_VARIANT_PATH}
+)
+
+target_link_options(GENERIC_H745ZITX INTERFACE
+  "LINKER:--default-script=${GENERIC_H745ZITX_VARIANT_PATH}/ldscript.ld"
+  "LINKER:--defsym=LD_FLASH_OFFSET=0x0"
+	"LINKER:--defsym=LD_MAX_SIZE=2097152"
+	"LINKER:--defsym=LD_MAX_DATA_SIZE=884736"
+  "SHELL:-mfpu=fpv4-sp-d16 -mfloat-abi=hard"
+  -mcpu=${GENERIC_H745ZITX_MCU}
+)
+
+add_library(GENERIC_H745ZITX_serial_disabled INTERFACE)
+target_compile_options(GENERIC_H745ZITX_serial_disabled INTERFACE
+  "SHELL:"
+)
+add_library(GENERIC_H745ZITX_serial_generic INTERFACE)
+target_compile_options(GENERIC_H745ZITX_serial_generic INTERFACE
+  "SHELL:-DHAL_UART_MODULE_ENABLED"
+)
+add_library(GENERIC_H745ZITX_serial_none INTERFACE)
+target_compile_options(GENERIC_H745ZITX_serial_none INTERFACE
+  "SHELL:-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE"
+)
+add_library(GENERIC_H745ZITX_usb_CDC INTERFACE)
+target_compile_options(GENERIC_H745ZITX_usb_CDC INTERFACE
+  "SHELL:-DUSBCON -DUSBD_VID=0x0483 -DUSBD_PID=0x5740 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_CDC -DDISABLE_GENERIC_SERIALUSB"
+)
+add_library(GENERIC_H745ZITX_usb_CDCgen INTERFACE)
+target_compile_options(GENERIC_H745ZITX_usb_CDCgen INTERFACE
+  "SHELL:-DUSBCON -DUSBD_VID=0x0483 -DUSBD_PID=0x5740 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_CDC"
+)
+add_library(GENERIC_H745ZITX_usb_HID INTERFACE)
+target_compile_options(GENERIC_H745ZITX_usb_HID INTERFACE
+  "SHELL:-DUSBCON -DUSBD_VID=0x0483 -DUSBD_PID=0x5740 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_HID_COMPOSITE"
+)
+add_library(GENERIC_H745ZITX_usb_none INTERFACE)
+target_compile_options(GENERIC_H745ZITX_usb_none INTERFACE
+  "SHELL:"
+)
+add_library(GENERIC_H745ZITX_xusb_FS INTERFACE)
+target_compile_options(GENERIC_H745ZITX_xusb_FS INTERFACE
+  "SHELL:"
+)
+add_library(GENERIC_H745ZITX_xusb_HS INTERFACE)
+target_compile_options(GENERIC_H745ZITX_xusb_HS INTERFACE
+  "SHELL:-DUSE_USB_HS"
+)
+add_library(GENERIC_H745ZITX_xusb_HSFS INTERFACE)
+target_compile_options(GENERIC_H745ZITX_xusb_HSFS INTERFACE
+  "SHELL:-DUSE_USB_HS -DUSE_USB_HS_IN_FS"
+)
+
 # GENERIC_H747AGIX
 # -----------------------------------------------------------------------------
 
@@ -112956,6 +113038,88 @@ target_compile_options(NUCLEO_H743ZI2_xusb_HSFS INTERFACE
   "SHELL:-DUSE_USB_HS -DUSE_USB_HS_IN_FS"
 )
 
+# NUCLEO_H745ZI_Q
+# -----------------------------------------------------------------------------
+
+set(NUCLEO_H745ZI_Q_VARIANT_PATH "${CMAKE_CURRENT_LIST_DIR}/../variants/STM32H7xx/H745Z(G-I)T_H755ZIT")
+set(NUCLEO_H745ZI_Q_MAXSIZE 2097152)
+set(NUCLEO_H745ZI_Q_MAXDATASIZE 884736)
+set(NUCLEO_H745ZI_Q_MCU cortex-m7)
+set(NUCLEO_H745ZI_Q_FPCONF "fpv4-sp-d16-hard")
+add_library(NUCLEO_H745ZI_Q INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q INTERFACE
+  "SHELL:-DSTM32H745xx -DCORE_CM7"
+  "SHELL:"
+  "SHELL:"
+  "SHELL:-mfpu=fpv4-sp-d16 -mfloat-abi=hard"
+  -mcpu=${NUCLEO_H745ZI_Q_MCU}
+)
+target_compile_definitions(NUCLEO_H745ZI_Q INTERFACE
+  "STM32H7xx"
+	"ARDUINO_NUCLEO_H745ZI_Q"
+	"BOARD_NAME=\"NUCLEO_H745ZI_Q\""
+	"BOARD_ID=NUCLEO_H745ZI_Q"
+	"VARIANT_H=\"variant_NUCLEO_H745ZI_Q.h\""
+)
+target_include_directories(NUCLEO_H745ZI_Q INTERFACE
+  ${CMAKE_CURRENT_LIST_DIR}/../system/STM32H7xx
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/STM32H7xx_HAL_Driver/Inc
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/STM32H7xx_HAL_Driver/Src
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/CMSIS/Device/ST/STM32H7xx/Include/
+  ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/gcc/
+  ${NUCLEO_H745ZI_Q_VARIANT_PATH}
+)
+
+target_link_options(NUCLEO_H745ZI_Q INTERFACE
+  "LINKER:--default-script=${NUCLEO_H745ZI_Q_VARIANT_PATH}/ldscript.ld"
+  "LINKER:--defsym=LD_FLASH_OFFSET=0x0"
+	"LINKER:--defsym=LD_MAX_SIZE=2097152"
+	"LINKER:--defsym=LD_MAX_DATA_SIZE=884736"
+  "SHELL:-mfpu=fpv4-sp-d16 -mfloat-abi=hard"
+  -mcpu=${NUCLEO_H745ZI_Q_MCU}
+)
+
+add_library(NUCLEO_H745ZI_Q_serial_disabled INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_serial_disabled INTERFACE
+  "SHELL:"
+)
+add_library(NUCLEO_H745ZI_Q_serial_generic INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_serial_generic INTERFACE
+  "SHELL:-DHAL_UART_MODULE_ENABLED"
+)
+add_library(NUCLEO_H745ZI_Q_serial_none INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_serial_none INTERFACE
+  "SHELL:-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE"
+)
+add_library(NUCLEO_H745ZI_Q_usb_CDC INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_usb_CDC INTERFACE
+  "SHELL:-DUSBCON -DUSBD_VID=0x0483 -DUSBD_PID=0x5740 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_CDC -DDISABLE_GENERIC_SERIALUSB"
+)
+add_library(NUCLEO_H745ZI_Q_usb_CDCgen INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_usb_CDCgen INTERFACE
+  "SHELL:-DUSBCON -DUSBD_VID=0x0483 -DUSBD_PID=0x5740 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_CDC"
+)
+add_library(NUCLEO_H745ZI_Q_usb_HID INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_usb_HID INTERFACE
+  "SHELL:-DUSBCON -DUSBD_VID=0x0483 -DUSBD_PID=0x5740 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_HID_COMPOSITE"
+)
+add_library(NUCLEO_H745ZI_Q_usb_none INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_usb_none INTERFACE
+  "SHELL:"
+)
+add_library(NUCLEO_H745ZI_Q_xusb_FS INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_xusb_FS INTERFACE
+  "SHELL:"
+)
+add_library(NUCLEO_H745ZI_Q_xusb_HS INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_xusb_HS INTERFACE
+  "SHELL:-DUSE_USB_HS"
+)
+add_library(NUCLEO_H745ZI_Q_xusb_HSFS INTERFACE)
+target_compile_options(NUCLEO_H745ZI_Q_xusb_HSFS INTERFACE
+  "SHELL:-DUSE_USB_HS -DUSE_USB_HS_IN_FS"
+)
+
 # NUCLEO_H753ZI
 # -----------------------------------------------------------------------------
 

diff --git a/variants/STM32H7xx/H745Z(G-I)T_H755ZIT/CMakeLists.txt b/variants/STM32H7xx/H745Z(G-I)T_H755ZIT/CMakeLists.txt
@@ -22,6 +22,7 @@ add_library(variant_bin STATIC EXCLUDE_FROM_ALL
   generic_clock.c
   PeripheralPins.c
   variant_generic.cpp
+  variant_NUCLEO_H745ZI_Q.cpp
 )
 target_link_libraries(variant_bin PUBLIC variant_usage)
 

diff --git a/variants/STM32H7xx/H745Z(G-I)T_H755ZIT/generic_clock.c b/variants/STM32H7xx/H745Z(G-I)T_H755ZIT/generic_clock.c
@@ -1,6 +1,6 @@
 /*
  *******************************************************************************
- * Copyright (c) 2020-2021, STMicroelectronics
+ * Copyright (c) 2020-2025, STMicroelectronics
  * All rights reserved.
  *
  * This software component is licensed by ST under BSD 3-Clause license,
@@ -21,8 +21,55 @@
   */
 WEAK void SystemClock_Config(void)
 {
-  /* SystemClock_Config can be generated by STM32CubeMX */
-#warning "SystemClock_Config() is empty. Default clock at reset is used."
+
+  RCC_OscInitTypeDef RCC_OscInitStruct = {};
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {};
+
+  /** Supply configuration update enable
+  */
+  HAL_PWREx_ConfigSupply(PWR_DIRECT_SMPS_SUPPLY);
+
+  /** Configure the main internal regulator output voltage
+  */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
+
+  while (!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
+
+  /** Initializes the RCC Oscillators according to the specified parameters
+  * in the RCC_OscInitTypeDef structure.
+  */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
+  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+    Error_Handler();
+  }
+
+  /** Initializes the CPU, AHB and APB buses clocks
+  */
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+                                | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2
+                                | RCC_CLOCKTYPE_D3PCLK1 | RCC_CLOCKTYPE_D1PCLK1;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
+  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;
+  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
+
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
+    Error_Handler();
+  }
+
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
+    Error_Handler();
+  }
 }
 
 #endif /* ARDUINO_GENERIC_* */