diff --git a/ports/stm32/boards/NUCLEO_H743ZI/mpconfigboard.h b/ports/stm32/boards/NUCLEO_H743ZI/mpconfigboard.h
index 8e227f1ba4..40ce889ab9 100644
--- a/ports/stm32/boards/NUCLEO_H743ZI/mpconfigboard.h
+++ b/ports/stm32/boards/NUCLEO_H743ZI/mpconfigboard.h
@@ -66,6 +66,11 @@ void NUCLEO_H743ZI_board_early_init(void);
 #define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)
 #define MICROPY_HW_USB_OTG_ID_PIN      (pin_A10)
 
+// FDCAN bus
+#define MICROPY_HW_CAN1_NAME  "FDCAN1"
+#define MICROPY_HW_CAN1_TX    (pin_D1)
+#define MICROPY_HW_CAN1_RX    (pin_D0)
+
 // SD card detect switch
 #define MICROPY_HW_SDCARD_DETECT_PIN        (pin_G2)
 #define MICROPY_HW_SDCARD_DETECT_PULL       (GPIO_PULLUP)
diff --git a/ports/stm32/boards/NUCLEO_H743ZI/pins.csv b/ports/stm32/boards/NUCLEO_H743ZI/pins.csv
index 6a0532dbfe..daa36691b7 100644
--- a/ports/stm32/boards/NUCLEO_H743ZI/pins.csv
+++ b/ports/stm32/boards/NUCLEO_H743ZI/pins.csv
@@ -22,6 +22,8 @@ D14,PB9
 D15,PB8
 D22,PB5
 D23,PB3
+D67,PD0
+D66,PD1
 DAC1,PA4
 DAC2,PA5
 LED1,PB0
diff --git a/ports/stm32/boards/stm32h7xx_hal_conf_base.h b/ports/stm32/boards/stm32h7xx_hal_conf_base.h
index 1d06be14fa..5c97e2c44b 100644
--- a/ports/stm32/boards/stm32h7xx_hal_conf_base.h
+++ b/ports/stm32/boards/stm32h7xx_hal_conf_base.h
@@ -34,6 +34,7 @@
 #include "stm32h7xx_hal_crc.h"
 #include "stm32h7xx_hal_dac.h"
 #include "stm32h7xx_hal_dcmi.h"
+#include "stm32h7xx_hal_fdcan.h"
 #include "stm32h7xx_hal_flash.h"
 #include "stm32h7xx_hal_gpio.h"
 #include "stm32h7xx_hal_hash.h"
@@ -60,6 +61,7 @@
 #define HAL_DAC_MODULE_ENABLED
 #define HAL_DCMI_MODULE_ENABLED
 #define HAL_DMA_MODULE_ENABLED
+#define HAL_FDCAN_MODULE_ENABLED
 #define HAL_FLASH_MODULE_ENABLED
 #define HAL_GPIO_MODULE_ENABLED
 #define HAL_HASH_MODULE_ENABLED