We know that it is different than the reference design. Sorry I uploaded the wrong schematic version. It is always extremely bad way of direct connecting pins to outside world. I still don’t know what I am doing wrong. Potential danger lies when you connect electronics to outside world mostly causing odd errors and later uprising problems. Maybe this brings me closer to the solution. Is there a possibilty to reset the debugger?
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I included a schematic of the connection between the debugger and the efm8.
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I once debub advice you to concider ESD issues when working with electronics, study first before doing. Replied Feb 233: The silabs debug adapter is not working anymore. I see silabs usb debug adapter difference between my schematic and yours. I included a picture of the debug connection. Dont save money in wrong places, you dont want to end up repairing electronics after some months on field.
I have copied their circuit and no problems so far. Replied Feb 22 I don’t think this could destroy the debugger?
Here is how one Silabs demoboard is connected. Is there a possibilty to reset the debugger?
The silabs debug adapter is not working anymore.
But I don’t think that pressing the button could destroy the debugger? Are you familiar with this problem? Using unprotected interconnections is a huge silabs usb debug adapter to zap your circuits. Replied Feb 238: Sorry I uploaded the wrong schematic version.
Schema is found here: Adaptter have now no schematics on my reach right now so I can not check it. We are facing deadlines and don’t have time to build a new proto now. I have a few more questions: Potential danger lies when you silabs usb debug adapter electronics to outside world mostly causing odd errors and later uprising problems.
µVISION: SILABS USB DEBUG ADAPTER DOES NOT WORK IN µVISION3
Included is a picture of how the circuit is actually implemented on our board. Community 8-bit Silabs usb debug adapter Forum. Do you think that this could be the cause? I still don’t know what I am doing wrong. I have been programming my device for adappter without problems, but this week I broke three silicon labs C2 debuggers? It is always extremely bad way of direct connecting pins to outside world.
Because I was able to silabs usb debug adapter my device for a while. Replied Feb 215: After examining the circuit we suspect that the C2D pin configuration could be a possible acapter of damaging the debuggers? Am I doing something wrong here? My debug adapters are not working anymore. Series resistors not only suppress current flow in ESD situation but prevents shorting things up and burning circuits when wrongly connected.
I should check the connections, I remember there were resistors between some of the C2 lines. Replied Feb 242: