> > > And yes, QFN32 is quite easy. Careful with the chip orientation, > though: the pin 1 dot is not in the upper left corner of the text. > > Is then the dot under the chip?
> Communication can be UART, yes. You'll also want to connect SWD of > the host-side MCU to GPIOs of the device-side MCU, so that you can > change the firmware via DFU. > > You mean, be able to program the second chip through the first chip bootloader, no?
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