diff --git a/src/stlink-common.c b/src/stlink-common.c
index 6e327f0..3256ccd 100644
--- a/src/stlink-common.c
+++ b/src/stlink-common.c
@@ -1385,7 +1385,7 @@ int write_loader_to_sram(stlink_t *sl, stm32_addr_t* addr, size_t* size) {
             sl->chip_id == STM32_CHIPID_F4_LP || sl->chip_id == STM32_CHIPID_F4_HD || (sl->chip_id == STM32_CHIPID_F411RE)){
         loader_code = loader_code_stm32f4;
         loader_size = sizeof(loader_code_stm32f4);
-    } else if (sl->chip_id == STM32_CHIPID_F0 || sl->chip_id == STM32_CHIPID_F04 || sl->chip_id == STM32_CHIPID_F0_CAN || sl->chip_id == STM32_CHIPID_F0_SMALL) {
+    } else if (sl->chip_id == STM32_CHIPID_F0 || sl->chip_id == STM32_CHIPID_F04 || sl->chip_id == STM32_CHIPID_F0_CAN || sl->chip_id == STM32_CHIPID_F0_SMALL || sl->chip_id == STM32_CHIPID_F09X) {
         loader_code = loader_code_stm32f0;
         loader_size = sizeof(loader_code_stm32f0);
     } else if (sl->chip_id == STM32_CHIPID_L0) {
diff --git a/src/stlink-common.h b/src/stlink-common.h
index aeeaa85..04a1081 100644
--- a/src/stlink-common.h
+++ b/src/stlink-common.h
@@ -129,7 +129,7 @@ extern "C" {
 
 #define STM32_CHIPID_F3_SMALL       0x439
 #define STM32_CHIPID_F0             0x440
-
+#define STM32_CHIPID_F09X           0x442
 #define STM32_CHIPID_F0_SMALL       0x444
 
 #define STM32_CHIPID_F04            0x445
@@ -369,6 +369,15 @@ extern "C" {
             .bootrom_base = 0x1fffec00,		// "System memory" starting address from Table 2
             .bootrom_size = 0xC00 		// "System memory" byte size in hex from Table 2
         },
+	{
+            .chip_id = STM32_CHIPID_F09X,
+            .description = "F09X device",
+            .flash_size_reg = 0x1ffff7cc,	// "Flash size data register" (pg735)
+            .flash_pagesize = 0x800,		// Page sizes listed in Table 4 (pg 56)
+            .sram_size = 0x8000,		// "SRAM" byte size in hex from Table 2 (pg 50)
+            .bootrom_base = 0x1fffd800,		// "System memory" starting address from Table 2
+            .bootrom_size = 0x2000 		// "System memory" byte size in hex from Table 2
+        },
         {
             //Use this as an example for mapping future chips:
             //RM0091 document was used to find these paramaters