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Atmega 2560


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Am si eu o intrebare:Am o placa care avea un hex tras. In momentul daca faceam update de firmware versiunea noua, o lua razna. Dar mentionez ca pe alta placa functioneaza perfect.Daca trageam vechiul firmware, mergea perfect, dar aveam problema ca nu se putea schimba codul de securitate. Si fiind wireless trebuia schimbat neaparat din default.Am zis ca este din hex. Am primit hex-ul de la sursa, dar cand il trag jtag pe atmel 4.0, la final imi spune canu stiu ce biti sunt blocati.Cand il citesc spi pe ponyprog, il citeste, citeste fuse biti, totul este ok. Dar cand il scriu, il scrie, dar la verificare imi da fail.Sa fie cipul ars?Multumesc anticipat

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