This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer. CP2104 USB to UART Bridge VCP Driver Silicon Labs CP2104 Virtual COM Port Driver Silicon Labs CP2104 USB to UART Bridge Driver CP2104 VCP Silicon Labs USB to UART Bridge. SILABS USB DEBUG ADAPTER DRIVER FOR MAC - We know that it is different than the reference design. Cummins insite software download. 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.

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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.

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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:

#3533 Been running WSJT-X for quite some time and have used it on two radios (Yaesu 991A and Yaesu FTdx101MP) and generally all works fine. I use the '991 Rig' for both radios (as it works and there isn't a specific Radio for the FTdx101MP - and the FTdx101D doesn't work for for the MP). Recently reloaded (full clean reload with disk erase) my Mac OS X with Catalina 10.15.3 (which was working fine previously) as part of a debug effort for another problem. Afterwards I was unable to get the CAT portion of WSJT-X to work (I could see decodes OK but no rig control) I was able to reproduce this on two Macs (iMac and MacBook Pro). After some digging the one difference I found from when it all worked to when it failed was the Silicon Labs driver had been updated (5.3.5) . I contacted SiLabs and they provided me a slightly earlier version - v5.2.3 and it works. I've also provided this info to John (G4KLA). Wanted to put this out there for others just in case they encounter issues with the latest SiLabs driver. Am curious if anyone is successfully using v5.3.5 on Catalina (or any OS X version) with the 991 Rig. This may be an isolated and very specific issue to my Rig / OS combo or perhaps more widespread. Of interest - the Driver works OK with MacLoggerDX so clearly it isn't 'broken' but rather some combination of factors cause the problem to surface. OS Version: macOS Catalina 10.15.3 WSJT-X Version: V2.1.2 0068f9 Silicon Labs Driver: CP210x Macintosh OSX VCP Driver 5.3.5 - February 25, 2020 - Fails CP210x Macintosh OSX VCP Driver 5.2.3 - December 6, 2019 - Works