Hi Gorazd, It's important that SBW signals are clear at both ends and we recommend that you either using a flat ribbon cable or twisted pair. If using a twisted pair, each of them should have one wire as the signal line and the other connected to GND on both ends. For more information regarding the password please see #5 (on page 15) under Section 2.1.1 Programming Using Interactive Mode: www.ti.com/.../slau358j.pdf Regards, Akash Patel
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