diff --git a/ports/stm/Makefile b/ports/stm/Makefile
index 37924d78d25a..5acefd8d7c5b 100755
--- a/ports/stm/Makefile
+++ b/ports/stm/Makefile
@@ -134,7 +134,6 @@ SRC_STM32 = $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES_LOWER)xx_,\
 	hal_gpio.c \
 	hal_i2c.c \
 	hal_i2c_ex.c \
-	hal_ospi.c \
 	hal_pcd.c \
 	hal_pcd_ex.c \
 	hal_pwr.c \
@@ -173,6 +172,10 @@ ifeq ($(MCU_VARIANT),$(filter $(MCU_VARIANT),STM32F765xx STM32F767xx STM32F769xx
 	SRC_STM32 += $(HAL_DIR)/Src/stm32$(MCU_SERIES_LOWER)xx_hal_uart_ex.c
 endif
 
+ifeq ($(MCU_VARIANT),$(filter $(MCU_VARIANT),STM32H723xx))
+	SRC_STM32 += $(HAL_DIR)/Src/stm32$(MCU_SERIES_LOWER)xx_hal_ospi.c
+endif
+
 SRC_STM32 += boards/system_stm32$(MCU_SERIES_LOWER)xx.c
 
 SRC_C += \
diff --git a/ports/stm/boards/weact-h723vg-lcd/mpconfigboard.mk b/ports/stm/boards/weact-h723vg-lcd/mpconfigboard.mk
index c773389330c8..2300c7eb02b4 100644
--- a/ports/stm/boards/weact-h723vg-lcd/mpconfigboard.mk
+++ b/ports/stm/boards/weact-h723vg-lcd/mpconfigboard.mk
@@ -36,6 +36,7 @@ CIRCUITPY_AUDIOIO = 0
 CIRCUITPY_ROTARYIO = 0
 CIRCUITPY_RTC = 1
 CIRCUITPY_SDCARDIO = 1
+CIRCUITPY_SDIOIO = 1
 CIRCUITPY_FRAMEBUFFERIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CTARGET = 0
diff --git a/ports/stm/common-hal/sdioio/SDCard.c b/ports/stm/common-hal/sdioio/SDCard.c
index ab0f8bb7dfce..bf9d0d6f2c60 100644
--- a/ports/stm/common-hal/sdioio/SDCard.c
+++ b/ports/stm/common-hal/sdioio/SDCard.c
@@ -104,7 +104,7 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
     uint8_t num_data, const mcu_pin_obj_t **data, uint32_t frequency) {
 
     int periph_index = check_pins(self, clock, command, num_data, data);
-    SDIO_TypeDef *SDIOx = mcu_sdio_banks[periph_index - 1];
+    SD_TypeDef *SDIOx = mcu_sdio_banks[periph_index - 1];
 
     GPIO_InitTypeDef GPIO_InitStruct = {0};
 
@@ -128,14 +128,22 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
     GPIO_InitStruct.Pin = pin_mask(clock->number);
     HAL_GPIO_Init(pin_port(clock->port), &GPIO_InitStruct);
 
+    #if CPY_STM32H7
+    __HAL_RCC_SDMMC1_CLK_ENABLE();
+    self->handle.Init.ClockDiv = SDMMC_NSPEED_CLK_DIV;
+    self->handle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
+    self->handle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
+    self->handle.Init.BusWide = SDMMC_BUS_WIDE_1B;
+    self->handle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_ENABLE;
+    #else
     __HAL_RCC_SDIO_CLK_ENABLE();
-
     self->handle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
     self->handle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
     self->handle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
     self->handle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
     self->handle.Init.BusWide = SDIO_BUS_WIDE_1B;
     self->handle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
+    #endif
     self->handle.Instance = SDIOx;
 
     HAL_StatusTypeDef r = HAL_SD_Init(&self->handle);
@@ -149,6 +157,15 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
         mp_raise_ValueError_varg(MP_ERROR_TEXT("SDIO GetCardInfo Error %d"), (int)r);
     }
 
+    #if CPY_STM32H7
+    self->num_data = 1;
+    if (num_data == 4) {
+        if ((r = HAL_SD_ConfigWideBusOperation(&self->handle, SDMMC_BUS_WIDE_4B)) == HAL_SD_ERROR_NONE) {
+            self->handle.Init.BusWide = SDMMC_BUS_WIDE_4B;
+            self->num_data = 4;
+        }
+    }
+    #else
     self->num_data = 1;
     if (num_data == 4) {
         if ((r = HAL_SD_ConfigWideBusOperation(&self->handle, SDIO_BUS_WIDE_4B)) == HAL_SD_ERROR_NONE) {
@@ -157,6 +174,7 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
         } else {
         }
     }
+    #endif
 
     self->capacity = info.BlockNbr * (info.BlockSize / 512);
     self->frequency = 25000000;
diff --git a/ports/stm/peripherals/stm32h7/clocks.c b/ports/stm/peripherals/stm32h7/clocks.c
index 701ee2e90ef5..b33497d3740e 100644
--- a/ports/stm/peripherals/stm32h7/clocks.c
+++ b/ports/stm/peripherals/stm32h7/clocks.c
@@ -14,6 +14,7 @@
 #endif
 #ifdef STM32H723xx
 #include "stm32h7/stm32h723xx/clocks.h"
+#define RCC_PERIPHCLK_QSPI RCC_PERIPHCLK_OSPI
 #endif
 
 void stm32_peripherals_clocks_init(void) {
@@ -79,7 +80,7 @@ void stm32_peripherals_clocks_init(void) {
     // Set up non-bus peripherals
     // TODO: I2S settings go here
     PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC | RCC_PERIPHCLK_USART3
-        | RCC_PERIPHCLK_USB | RCC_PERIPHCLK_OSPI;
+        | RCC_PERIPHCLK_USB | RCC_PERIPHCLK_QSPI;
     #if (BOARD_HAS_LOW_SPEED_CRYSTAL)
     PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
     #else
@@ -99,12 +100,18 @@ void stm32_peripherals_clocks_init(void) {
     PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_3;
     PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
     PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
+    #ifdef RCC_OSPICLKSOURCE_PLL2
     PeriphClkInitStruct.OspiClockSelection = RCC_OSPICLKSOURCE_PLL2;
+    #else
+    PeriphClkInitStruct.QspiClockSelection = RCC_QSPICLKSOURCE_PLL2;
+    #endif
     HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
 
+    #ifdef __HAL_RCC_OSPI1_CLK_ENABLE
     /* OCTOSPI1 clock enable */
     __HAL_RCC_OCTOSPIM_CLK_ENABLE();
     __HAL_RCC_OSPI1_CLK_ENABLE();
+    #endif
 
     // Enable USB Voltage detector
     HAL_PWREx_EnableUSBVoltageDetector();
diff --git a/ports/stm/peripherals/stm32h7/stm32h723xx/periph.c b/ports/stm/peripherals/stm32h7/stm32h723xx/periph.c
index 0a72cbd549a4..018989a2cd0d 100644
--- a/ports/stm/peripherals/stm32h7/stm32h723xx/periph.c
+++ b/ports/stm/peripherals/stm32h7/stm32h723xx/periph.c
@@ -238,3 +238,25 @@ const mcu_tim_pin_obj_t mcu_tim_pin_list[58] = {
     TIM(8, 3, 3, &pin_PK00),
     TIM(1, 1, 1, &pin_PK01),
 };
+
+// SDIO
+SDMMC_TypeDef *mcu_sdio_banks[1] = {SDMMC1};
+
+const mcu_periph_obj_t mcu_sdio_clock_list[1] = {
+    PERIPH(1, 12, &pin_PC12),
+};
+const mcu_periph_obj_t mcu_sdio_command_list[1] = {
+    PERIPH(1, 12, &pin_PD02),
+};
+const mcu_periph_obj_t mcu_sdio_data0_list[1] = {
+    PERIPH(1, 12, &pin_PC08),
+};
+const mcu_periph_obj_t mcu_sdio_data1_list[1] = {
+    PERIPH(1, 12, &pin_PC09),
+};
+const mcu_periph_obj_t mcu_sdio_data2_list[1] = {
+    PERIPH(1, 12, &pin_PC10),
+};
+const mcu_periph_obj_t mcu_sdio_data3_list[1] = {
+    PERIPH(1, 12, &pin_PC11),
+};
diff --git a/ports/stm/peripherals/stm32h7/stm32h723xx/periph.h b/ports/stm/peripherals/stm32h7/stm32h723xx/periph.h
index d155ca40387a..983ccf708fd4 100644
--- a/ports/stm/peripherals/stm32h7/stm32h723xx/periph.h
+++ b/ports/stm/peripherals/stm32h7/stm32h723xx/periph.h
@@ -31,3 +31,13 @@ extern const mcu_periph_obj_t mcu_uart_rx_list[26];
 #define TIM_PIN_ARRAY_LEN 58
 extern TIM_TypeDef *mcu_tim_banks[TIM_BANK_ARRAY_LEN];
 extern const mcu_tim_pin_obj_t mcu_tim_pin_list[TIM_PIN_ARRAY_LEN];
+
+// SDIO
+extern SDMMC_TypeDef *mcu_sdio_banks[1];
+
+extern const mcu_periph_obj_t mcu_sdio_clock_list[1];
+extern const mcu_periph_obj_t mcu_sdio_command_list[1];
+extern const mcu_periph_obj_t mcu_sdio_data0_list[1];
+extern const mcu_periph_obj_t mcu_sdio_data1_list[1];
+extern const mcu_periph_obj_t mcu_sdio_data2_list[1];
+extern const mcu_periph_obj_t mcu_sdio_data3_list[1];
diff --git a/ports/stm/peripherals/stm32h7/stm32h743xx/periph.c b/ports/stm/peripherals/stm32h7/stm32h743xx/periph.c
index afea41445481..0a72cbd549a4 100644
--- a/ports/stm/peripherals/stm32h7/stm32h743xx/periph.c
+++ b/ports/stm/peripherals/stm32h7/stm32h743xx/periph.c
@@ -175,8 +175,8 @@ const mcu_periph_obj_t mcu_uart_rx_list[26] = {
 // Timers
 // TIM6 and TIM7 are basic timers that are only used by DAC, and don't have pins
 // TODO: H7 has more timers than this, but are they tied to pins?
-TIM_TypeDef *mcu_tim_banks[14] = {TIM1, TIM2, TIM3, TIM4, TIM5, NULL, NULL, TIM8, NULL, NULL,
-                                  NULL, TIM12, TIM13, TIM14};
+TIM_TypeDef *mcu_tim_banks[17] = {TIM1, TIM2, TIM3, TIM4, TIM5, NULL, NULL, TIM8, NULL, NULL,
+                                  NULL, TIM12, TIM13, TIM14, TIM15, TIM16, TIM17};
 
 const mcu_tim_pin_obj_t mcu_tim_pin_list[58] = {
     TIM(2, 1, 1, &pin_PA00),
diff --git a/ports/stm/peripherals/stm32h7/stm32h743xx/periph.h b/ports/stm/peripherals/stm32h7/stm32h743xx/periph.h
index fa4ec7f6e562..d155ca40387a 100644
--- a/ports/stm/peripherals/stm32h7/stm32h743xx/periph.h
+++ b/ports/stm/peripherals/stm32h7/stm32h743xx/periph.h
@@ -27,6 +27,7 @@ extern const mcu_periph_obj_t mcu_uart_tx_list[25];
 extern const mcu_periph_obj_t mcu_uart_rx_list[26];
 
 // Timers
-#define TIM_BANK_ARRAY_LEN 14
+#define TIM_BANK_ARRAY_LEN 17
 #define TIM_PIN_ARRAY_LEN 58
 extern TIM_TypeDef *mcu_tim_banks[TIM_BANK_ARRAY_LEN];
+extern const mcu_tim_pin_obj_t mcu_tim_pin_list[TIM_PIN_ARRAY_LEN];
diff --git a/ports/stm/supervisor/usb.c b/ports/stm/supervisor/usb.c
index f957d4a9564c..cf3151cd8cce 100644
--- a/ports/stm/supervisor/usb.c
+++ b/ports/stm/supervisor/usb.c
@@ -13,34 +13,38 @@
 
 #include "common-hal/microcontroller/Pin.h"
 
+#ifndef USB_OTG_FS
+#define USB_OTG_FS USB_OTG_HS
+#endif
+
 static void init_usb_vbus_sense(void) {
 
     #if (BOARD_NO_VBUS_SENSE)
     // Disable VBUS sensing
     #ifdef USB_OTG_GCCFG_VBDEN
     // Deactivate VBUS Sensing B
-    USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
+    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
 
     #if (BOARD_NO_USB_OTG_ID_SENSE)
-    USB_OTG_HS->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD;
-    USB_OTG_HS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
+    USB_OTG_FS->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD;
+    USB_OTG_FS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
     #endif
 
     // B-peripheral session valid override enable
-    USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
-    USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
+    USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
+    USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
     #else
-    USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
-    USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
-    USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
+    USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
+    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
+    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
     #endif
     #else
     // Enable VBUS hardware sensing
     #ifdef USB_OTG_GCCFG_VBDEN
-    USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBDEN;
+    USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN;
     #else
-    USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS;
-    USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN;     // B Device sense
+    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS;
+    USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN;     // B Device sense
     #endif
     #endif
 }