Debug port

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The pins

The debug port is a set of 8 pins accessible via GPIOs 16 through 23. It is used to output information from boot0 and boot1.

Label GPIO Label GPIO
TP223 DEBUG2 TP220 DEBUG7
TP224 DEBUG3 TP221 DEBUG0
TP222 DEBUG1 TP226 DEBUG5
TP225 DEBUG4 TP219 DEBUG6