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IDB05A1 working without jumper

Question asked by raphael declercq on Apr 21, 2017
Latest reply on Apr 21, 2017 by John F.



I am using a IDB05A1 board together with a L073RZ, is it normal that the IDB05A1 is working when i remove the J1 jumper?
I don't get why since there's no connection between 3v3 and VDD


Thanks in advance