diff -r b4ce7147f82c -r 5a2f23410b4d custom_targets.json
--- a/custom_targets.json	Mon Nov 23 22:22:37 2020 +0100
+++ b/custom_targets.json	Tue Sep 07 00:10:49 2021 +0200
@@ -1,38 +1,16 @@
 {
-    "HP34970_FP_F303RD": {
-		"inherits": [
-            "MCU_STM32_BAREMETAL"
-        ],
-        "core": "Cortex-M4F",
-        "extra_labels_add": [
-            "STM32F3",
-            "STM32F303xE",
-            "STM32F303RE"
-        ],
-        "config": {
-            "clock_source": {
-                "help": "Mask value : USE_PLL_HSE_EXTC | USE_PLL_HSE_XTAL (need HW patch) | USE_PLL_HSI",
-                "value": "USE_PLL_HSE_XTAL",
-                "macro_name": "CLOCK_SOURCE"
-            }
-        },
-        "components_add": [
-            "FLASHIAP"
-        ],
-        "detect_code": [
-            "0745"
-        ],
-        "device_has_add": [
-            "ANALOGOUT",
-            "CAN",
-            "CRC",
-            "SERIAL_ASYNCH",
-            "FLASH",
-            "USBDEVICE",
-            "MPU"
-        ],
-        "mbed_rom_size": "0x60000",
-        "bootloader_supported": true,
-        "device_name": "STM32F303RE"
-	}
+  "HP34970_FP_F303RD": {
+    "inherits": [
+      "MCU_STM32F303xE"
+    ],
+    "overrides": {
+      "clock_source": "USE_PLL_HSE_XTAL"
+    },
+    "device_has_add": [
+      "USBDEVICE"
+    ],
+    "mbed_rom_size": "0x60000",
+    "bootloader_supported": true,
+    "device_name": "STM32F303RE"
+  }
 }