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cyphunk / JTAGenum

Given an Arduino compatible microcontroller or Raspberry PI (experimental), JTAGenum scans pins[] for basic JTAG functionality and can be used to enumerate the Instruction Register for undocumented instructions. Props to JTAG scanner and Arduinull which came before JTAGenum and forwhich much of the code and logic is based on. Feel free to branch and modify religiously (readme, credits, whatever)

Home Page:http://deadhacker.com/tools

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Cant identify pins

sharukhislam opened this issue · comments

commented

loaded the code onto my arduino r3 but i am not able to identify the ports

commented

Arduino uno r3 operates on digital pins on 5v. Standart jtag use 3.3v(some devices supports 5v - if not or not enabled you will burn device connected to arduino or maybe even arduino itself). It device jtag not supports onlu 3.3v voltage you need to use proper arduino or modify current(some tutorial on internet). Also check if all pins excluding gnd have 3.3v voltage.