stm32: Add support for STM32H753xx and the NUCLEO_H753ZI board. #18574
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Configuration: - Clock is 8MHz from STLINK MCO, CPU runs at 400MHz - REPL on USB and on UART connected to ST-Link interface - Storage is configured for internal flash memory - 3x LEDs and 1x user button - Ethernet Product page: https://www.st.com/en/evaluation-tools/nucleo-h753zi.html Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
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To connect STM32H7 that is in SLEEPD1 state (e.g. during REPL) debuggers like st-flash or openocd must assert SRST. Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
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STM32CubeMX shows a conflict of UART5 with ETH MII. However UART1 can be used with TX and RX on the pin headers. PLL1Q is reduced from 200 to 100 MHz because it may be used for FDCAN or SDMMC. FDCAN needs <= 150 MHz, and 100 MHz is enough for an SDCard connected to pin headers to work reliably. Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
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I just checked the config of |
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Summery
I have added support for MCU
STM32H753xxand its NUCLEO_H753ZI board.Most configuration files rely on the corresponding files of NUCLEO_H743ZI2 or its predecessor NUCLEO_H743ZI (now obsolete).
The image of my NUCLEO_H753ZI is here: micropython/micropython-media#108 .
Testing
I tested the 3 LEDs, the USER switch, Ethernet, the REPL on the ST-Link UART and on the second USB port, as well as storage including USB MSC access.