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spi bootloader

David Latter
Associate
Posted on June 18, 2018 at 09:55

Hi I'm trying to use the SPI1 bootloader on a STM32F411.

After I apply power, I set the boot pins to system memory and reset the device.

After reset I take SPI1_NSS low and write the SPI synchronisation commands.

The MISO data from the MCU stays low.

Has anyone any ideas what I am missing?

Thanks in advance

Dave

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