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  1. Hi, I have a SanDisk controller having ARC700 and ARC 600 processors. I am trying to develop an application using digilent libraries which can read and write controller memory using JTAG interface. I am using Digilent JTAG HS2 cable. I am getting 0s, when I try to read IDCODE of the processors. I am following the JTAG TAP controller state diagram(filling the proper instruction code in instruction register for ARC processor) for reading IDCODES. Also, getting 0s when I try to read memory location. Please let me know what I am doing wrong