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ADUM4160 problem

Question asked by benjaminb on Mar 3, 2017
Latest reply on Mar 3, 2017 by MSCantrell


I try to use an ADUM4160 with a PIC uC, but it doesn't work. In the attachment there is a picture about the signals of the 2 sides of the isolator . The Channel 0 is the UD+, channel 2 is the UD-, channel 4 is DD+ and the channel 6 is the DD-. As you can see, the signals of the sides are not the same, so my PC can't identify my uC. The PDEN and the SPU are tied to VDD1 and the SPD and PIN are also tied to VDD2. I don't have any idea what shall I do to make it work.

Can you help me?