improvement to new programming pin header CN109
changes to library did not make it to schematic symbols on sheet 8/4. Bug inherited in x7
Obsolete parts
This was changed at the silkscreen level, not component property level. Therefore, bug remains in rev x7
pushbutton added to boot0 in rev x7. leaving open until tested
https://www.st.com/resource/en/application_note/an4286-spi-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf
Leaving this ticket open for investigation into booting from SPI flash. Potentially made possible by the addition of an SD card on SPI3 in rev X7.
D800 has incorrect MFG part number