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+# any key
+
+## Documents
+
+### STM32 reference manual
+
+https://www.st.com/resource/en/reference_manual/dm00031936-stm32f0x1stm32f0x2stm32f0x8-advanced-armbased-32bit-mcus-stmicroelectronics.pdf
+
+### STM32F072CBT6
+
+https://datasheet.lcsc.com/szlcsc/1811172344_STMicroelectronics-STM32F072CBT6_C81720.pdf
+
+### ST AN2606
+
+https://www.st.com/resource/en/application_note/cd00167594-stm32-microcontroller-system-memory-boot-mode-stmicroelectronics.pdf