IP400/rpi/stm32flash/protocol.txt
2025-01-29 11:17:14 -07:00

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The communication protocol used by ST bootloader is documented in following ST
application notes, depending on communication port.
In current version of stm32flash are supported only UART and I2C ports.
* AN3154: CAN protocol used in the STM32 bootloader
http://www.st.com/web/en/resource/technical/document/application_note/CD00264321.pdf
* AN3155: USART protocol used in the STM32(TM) bootloader
http://www.st.com/web/en/resource/technical/document/application_note/CD00264342.pdf
* AN4221: I2C protocol used in the STM32 bootloader
http://www.st.com/web/en/resource/technical/document/application_note/DM00072315.pdf
* AN4286: SPI protocol used in the STM32 bootloader
http://www.st.com/web/en/resource/technical/document/application_note/DM00081379.pdf
Boot mode selection for STM32 is documented in ST application note AN2606, available in ST website:
http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf