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The GPIOs of the 10 Pmods (J10 to J17, J20, J21) are connected with 100 Ohm differential routing to the B2B connector. J21 is a pure I2C compatible Pmod, without additional signals. The other 9 are GPIO Pmods where despite J20 all others can be used as dual Pmods.
Via dip switsches switches S6-1 to S6-3 the variable bank power B_VCCIO_35 for the Pmods J10, J11, J12, J13, J14, J16 can be selected. Respect power regulator limits!
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