I did not doublecheck your 10 pin connector, please do. Hopefully setting the pin as open drain could solve the problem? How did you manage to work with them for weeks and now they brake? Sorry I uploaded the wrong schematic version. Dont save money in wrong places, you dont want to end up repairing electronics after some months on field. I am considering making a few adaption to make the debug circuit the same as the picture.

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I should check the connections, I remember there were resistors between some of the C2 lines. I have a few more questions:.

Hopefully setting the pin as open drain could solve the problem? Silabs EVAboard I’m using is with n cap in their reset circuit.

Using a Silicon Labs EFM8 IC for your hardware project – MacroFab

Replied Feb 227: What do you think? I don’t think this could destroy the debugger? I have a few more questions: The chip has an internal reset circuit, adding dehug cap ‘converts’ it to RC with all the awful side effects. I silas been programming my silabs usb debug adapter for weeks without problems, but this week I broke three silicon labs C2 debuggers?

Are you familiar with silabs usb debug adapter problem? Do you think that this could be the cause?

Maybe this brings me closer to the solution. Right now I am programming sleepmodes into my device. Potential danger lies when you connect electronics to outside world mostly causing odd errors and later uprising problems.

Using a Silicon Labs EFM8 IC for your hardware project

Replied Feb 243: Included is silabw picture of how the circuit is actually implemented on our board. I see the difference between my schematic and yours.

After examining the circuit we suspect that the C2D pin configuration could be a possible cause of damaging the debuggers? We are facing deadlines and don’t have time to build a new proto now.

Replied Feb 233: I included a schematic of the connection between the debugger adaprer the efm8. The silabs debug adapter is not working anymore.

I once again advice you to concider ESD issues when working daapter electronics, study first before doing. Am I doing something wrong silabs usb debug adapter Replied Feb 22silabbs Replied Feb 242: Schema is found here: Dont save money in wrong places, you dont want to end up repairing electronics after some months on silabs usb debug adapter.

I included a picture of the debug connection. Because I was able to program my device for a while.

┬ÁVISION: SILABS USB DEBUG ADAPTER DOES NOT WORK IN ┬ÁVISION3

Schema is found here:. Series resistors not only suppress current flow in Silabs usb debug adapter situation but prevents shorting ddebug up and burning circuits when wrongly connected.

Using unprotected interconnections is a huge risk to zap your circuits. I have copied their circuit and no problems so far. Is there a possibilty to reset the debugger?