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John Henry
John Henry
Associate
April 19, 2018
Question

new unprogrammed STM32F303xC into DFU mode

  • April 19, 2018
  • 3 replies
  • 829 views
Posted on April 19, 2018 at 21:27

If I buy a new STM32F303xC and solder it to my board, will it power up in DFU mode? Is it required to pull BOOT0 high to enter DFU mode? I would like to do first-time programming without manually using a jumper.

#new-unprogrammed-stm32f303xc-into-dfu-mode
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3 replies

Tesla DeLorean
Tesla DeLorean
Guru
April 19, 2018
Posted on April 20, 2018 at 00:30

Pretty sure the F3 will expect you to pull BOOT0 High to enter the System Loader

Or you could use SWD/JTAG if you've wired that up.

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John Henry
John HenryAuthor
Associate
April 20, 2018
Posted on April 20, 2018 at 15:56

I figured as such. I'll have to add a jumper or button. After application code is loaded I will have the ability to enter DFU from the program.

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