diff --git a/drivers/flash_regs.h b/drivers/flash_regs.h
new file mode 100644
index 0000000..26f4593
--- /dev/null
+++ b/drivers/flash_regs.h
@@ -0,0 +1,97 @@
+/** @file flash_regs.h
+ * Module defining flash memory interface registers.
+ *
+ * Mainly made to be used by the rcc module. It is recommanded to go through
+ * the functions provided by that module instead of directly using the registers
+ * defined here.
+ */
+
+#ifndef _FLASH_REGS_H_
+#define _FLASH_REGS_H_
+
+//--includes--------------------------------------------------------------------
+
+#include "stdint.h"
+
+
+//--type definitions------------------------------------------------------------
+
+#define FLASH_BASE_ADDRESS 0x40022000
+
+union FLASH_ACR {
+	struct __attribute__((packed)) {
+		uint32_t LATENCY:3;
+		uint32_t HLFCYA:1;
+		uint32_t PRFTBE:1;
+		uint32_t PRFTBS:1;
+		uint32_t reserved1:26;
+	};
+	uint32_t word;
+};
+
+union FLASH_KEYR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+union FLASH_OPTKEYR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+union FLASH_SR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+union FLASH_CR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+union FLASH_AR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+union FLASH_OBR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+union FLASH_WRPR {
+	struct __attribute__((packed)) {
+		uint32_t reserved1; //TODO
+	};
+	uint32_t word;
+};
+
+struct __attribute__((packed)) FLASH {
+	union FLASH_ACR ACR;
+	union FLASH_KEYR KEYR;
+	union FLASH_OPTKEYR OPTKEYR;
+	union FLASH_SR SR;
+	union FLASH_CR CR;
+	union FLASH_AR AR;
+	uint32_t reserved1;
+	union FLASH_OBR OBR;
+	union FLASH_WRPR WRPR;
+};
+
+
+//--functions-------------------------------------------------------------------
+
+#endif //_FLASH_REGS_H_
+
diff --git a/drivers/rcc_regs.h b/drivers/rcc_regs.h
index 3c804fb..047f7e9 100644
--- a/drivers/rcc_regs.h
+++ b/drivers/rcc_regs.h
@@ -270,6 +270,7 @@ struct __attribute__((packed)) RCC {
 	union RCC_CSR CSR;
 };
 
+
 //--functions-------------------------------------------------------------------
 
 #endif //_RCC_REGS_H_