Till Harbaum

The female port on this board uses the same physical pins as the male connector. This means that you cannot use the host port (the female one) at the same...

That's correct. But that means you can only use the male port for power supply then. Data lines are disconnected and you cannot use it as a COM port to...

Yes, CDC ACM emulates a serial interface. The advantage is that it's a USB standard protocol and doesn't need any special drivers. It'll give you a COM port under windows...

DirtyJTAG is a vendor class device and also seems to use a custom protocol on USB side and would require libusb (and zadig on windows) etc. While this is not...

Thanks for the fast reply, anyway. I might give it a try myself. I still don't fully understand how these devices with just the EHCI controllers work with low and...

Have you actually tried that? The cube software drives rts and dtr both low during the flash programming itself. The variant you showed would keep the cpu in reset during...

Under Windows or Linux?

One interesting fact is that the Ai-M62-12F-Kit includes something like that. But it's not populated on the boards I own. I was expecting some logic similar to the one found...

I should perhaps give some more context. I am using this with the M0S Dock. This has a BOOT button but no Reset button and thus needs to be power-cycled...

> I use this on BL602 devices, and it works. I think I understand how this works for you. It works for download only, correct? If you open a regular...