diff --git a/soc/arm/st_stm32/stm32f3/Kconfig.defconfig.stm32f303xe b/soc/arm/st_stm32/stm32f3/Kconfig.defconfig.stm32f303xe
new file mode 100644
index 00000000000..5ce85b8a1cd
--- /dev/null
+++ b/soc/arm/st_stm32/stm32f3/Kconfig.defconfig.stm32f303xe
@@ -0,0 +1,21 @@
+# ST Microelectronics STM32F303XC MCU
+
+# Copyright (c) 2020 Paul M. Bendixen
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_STM32F303XE
+
+config SOC
+	default "stm32f303xe"
+
+config NUM_IRQS
+	default 85
+
+if GPIO_STM32
+
+config GPIO_STM32_PORTF
+	default y
+
+endif # GPIO_STM32
+
+endif # SOC_STM32F303XE
diff --git a/soc/arm/st_stm32/stm32f3/Kconfig.soc b/soc/arm/st_stm32/stm32f3/Kconfig.soc
index 2c7f17c3dfc..afa5210c954 100644
--- a/soc/arm/st_stm32/stm32f3/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32f3/Kconfig.soc
@@ -14,6 +14,10 @@ config SOC_STM32F303XC
 	bool "STM32F303XC"
 	select CPU_HAS_ARM_MPU
 
+config SOC_STM32F303XE
+	bool "STM32F303XE"
+	select CPU_HAS_ARM_MPU
+
 config SOC_STM32F334X8
 	bool "STM32F334X8"