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    Changing the processor fo duet wifi v1.03!

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    Duet Hardware and wiring
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    • dc42undefined
      dc42 administrators @yatinsd
      last edited by dc42

      @yatinsd said in Changing the processor fo duet wifi v1.03!:

      @dc42 is L6 at 1.2v correct?

      Yes, L6 is between VDDOUT (which is the 1.2V output from the on-chip regulator) and VDDPLL.

      Are you sure that the connections between the USB pins of the MCU and the data pins of the USB socket are OK?

      I'll try erasing firmware on one of my boards and check the clock.

      Duet WiFi hardware designer and firmware engineer
      Please do not ask me for Duet support via PM or email, use the forum
      http://www.escher3d.com, https://miscsolutions.wordpress.com

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      • yatinsdundefined
        yatinsd
        last edited by yatinsd

        @dc42 i have checked the voltage on v bus the voltage is 1.02v. DDP & DDM are continuous with pin 137-36 respectively. usb ground is continuous with controllers ground.

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        • yatinsdundefined
          yatinsd
          last edited by

          @dc42 did you see the clock after erasing the firmware?

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          • dc42undefined
            dc42 administrators
            last edited by

            I see the clock whether or not the firmware has been erased. It's about 200mV peak to peak on C45.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

            yatinsdundefined 1 Reply Last reply Reply Quote 0
            • yatinsdundefined
              yatinsd @dc42
              last edited by yatinsd

              @dc42 what should i check then? should ichange the clock? i have seen 0.2 mv across c45!!

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              • dc42undefined
                dc42 administrators
                last edited by

                I suggest you check the soldering of the clock pins of the MCU, to make sure they are soldered to the pad and not shorting against each other or to adjacent pads.

                You did fit the new MCU the right way round, didn't you?

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

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                • yatinsdundefined
                  yatinsd
                  last edited by yatinsd

                  @dc42 the processor is in right orientation. I have got this thing soldered by a professional, and I myself have verified that its touching the right places! can the clock go bad in this??

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                  • yatinsdundefined
                    yatinsd
                    last edited by yatinsd

                    @dc42 I have tried everything! But not been able to resolve! Can I send it over to you? Or any other thing?

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                    • dc42undefined
                      dc42 administrators @yatinsd
                      last edited by dc42

                      @yatinsd said in Changing the processor fo duet wifi v1.03!:

                      @dc42 I have tried everything! But not been able to resolve! Can I send it over to you? Or any other thing?

                      Yes, if you like. But if you have already checked the soldering and that there is power to the MCU, I'm not sure what I would be able to do that you haven't done already.

                      Duet WiFi hardware designer and firmware engineer
                      Please do not ask me for Duet support via PM or email, use the forum
                      http://www.escher3d.com, https://miscsolutions.wordpress.com

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                      • yatinsdundefined
                        yatinsd
                        last edited by

                        Can it be replaced or something? I purchased this on 24 Feb 2018 and it came to me on March 10. Issue started just around those days(around 1-2march 2019)!

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                        • dc42undefined
                          dc42 administrators
                          last edited by

                          Which country are you in, and where did you buy it?

                          Duet WiFi hardware designer and firmware engineer
                          Please do not ask me for Duet support via PM or email, use the forum
                          http://www.escher3d.com, https://miscsolutions.wordpress.com

                          yatinsdundefined 1 Reply Last reply Reply Quote 0
                          • yatinsdundefined
                            yatinsd @dc42
                            last edited by

                            @dc42 I'm india! I bought from duet3d only!

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                            • dc42undefined
                              dc42 administrators
                              last edited by

                              I've replied to you by PM.

                              Duet WiFi hardware designer and firmware engineer
                              Please do not ask me for Duet support via PM or email, use the forum
                              http://www.escher3d.com, https://miscsolutions.wordpress.com

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