diff --git a/.idea/cmake.xml b/.idea/cmake.xml
index 88e0e27ad..5e0964817 100644
--- a/.idea/cmake.xml
+++ b/.idea/cmake.xml
@@ -65,6 +65,7 @@
+
\ No newline at end of file
diff --git a/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.cmake b/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.cmake
new file mode 100644
index 000000000..eea16213b
--- /dev/null
+++ b/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.cmake
@@ -0,0 +1,10 @@
+set(MCU_VARIANT stm32u5a5xx)
+set(JLINK_DEVICE stm32u5a5zj)
+
+set(LD_FILE_GNU ${ST_CMSIS}/Source/Templates/gcc/linker/STM32U5A9xx_FLASH.ld)
+
+function(update_board TARGET)
+ target_compile_definitions(${TARGET} PUBLIC
+ STM32U5A5xx
+ )
+endfunction()
diff --git a/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.h b/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.h
new file mode 100644
index 000000000..54a6d4cd7
--- /dev/null
+++ b/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.h
@@ -0,0 +1,111 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+// LED GREEN
+#define LED_PORT GPIOC
+#define LED_PIN GPIO_PIN_7
+#define LED_STATE_ON 1
+
+// BUTTON
+#define BUTTON_PORT GPIOA
+#define BUTTON_PIN GPIO_PIN_0
+#define BUTTON_STATE_ACTIVE 1
+
+// UART Enable for STLink VCOM
+#define UART_DEV LPUART1
+#define UART_CLK_EN __HAL_RCC_LPUART1_CLK_ENABLE
+#define UART_GPIO_PORT GPIOG
+#define UART_GPIO_AF GPIO_AF8_LPUART1
+#define UART_TX_PIN GPIO_PIN_7
+#define UART_RX_PIN GPIO_PIN_8
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+
+static inline void board_clock_init(void)
+{
+
+ RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+
+ /* Enable Power Clock */
+ __HAL_RCC_PWR_CLK_ENABLE();
+
+ /** Configure the main internal regulator output voltage
+ */
+ HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLMBOOST = RCC_PLLMBOOST_DIV1;
+ RCC_OscInitStruct.PLL.PLLM = 1;
+ RCC_OscInitStruct.PLL.PLLN = 10;
+ RCC_OscInitStruct.PLL.PLLP = 2;
+ RCC_OscInitStruct.PLL.PLLQ = 2;
+ RCC_OscInitStruct.PLL.PLLR = 1;
+ RCC_OscInitStruct.PLL.PLLRGE = RCC_PLLVCIRANGE_1;
+ RCC_OscInitStruct.PLL.PLLFRACN = 0;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_CLK48;
+ PeriphClkInit.IclkClockSelection = RCC_CLK48CLKSOURCE_HSI48;
+
+ HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
+
+ /** 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_PCLK3;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
+
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.mk b/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.mk
new file mode 100644
index 000000000..48a4206a6
--- /dev/null
+++ b/hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.mk
@@ -0,0 +1,10 @@
+CFLAGS += \
+ -DSTM32U5A5xx \
+
+# All source paths should be relative to the top level.
+LD_FILE = ${ST_CMSIS}/Source/Templates/gcc/linker/STM32U5A9xx_FLASH.ld
+
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32u5a5xx.s
+
+# For flash-jlink target
+JLINK_DEVICE = stm32u575zi
diff --git a/tools/get_deps.py b/tools/get_deps.py
index 1fac291a3..9fdefac9d 100644
--- a/tools/get_deps.py
+++ b/tools/get_deps.py
@@ -108,7 +108,7 @@ deps_optional = {
'd922865fc0326a102c26211c44b8e42f52c1e53d',
'stm32l5'],
'hw/mcu/st/cmsis_device_u5': ['https://github.com/STMicroelectronics/cmsis_device_u5.git',
- 'bc00f3c9d8a4e25220f84c26d414902cc6bdf566',
+ '06d7edade7167b0eafdd550bf77cfc4fa98eae2e',
'stm32u5'],
'hw/mcu/st/cmsis_device_wb': ['https://github.com/STMicroelectronics/cmsis_device_wb.git',
'9c5d1920dd9fabbe2548e10561d63db829bb744f',