Hi everyone,
I am trying to use the DK20789 as a standalone data logger, using at the same time the MPU9250 EVB board (for the magnetometer signal) and the IO1 Xplained Pro extension board (for the microSD). Unfortunatelly, it seems the microcontroller (ATSAMG55J19) or the power regulator is not able to provide strong/fast enough poewr signals to both extension boards. If the MPU9250 is connected to CN1, IO1 Xplained Pro cannot communicate with the microSD card (MISO line answers with incorrect data).
I have tried to power the DK20789 from the 4 the different power sources (FTDI, Target, EDGB, Battery (Hameg power supply))
Has anyone experienced a similar issue? Any workaround for this?
Thank you in advance