I would like some assistance in the correct wiring for the UCM Breakout Board. I have all the components but want to avoid blowing up the chipset from wrong wiring.
Either there’s little in the way of documentation, or I’ve been unable to find it, so I figured this would be the right place to ask.
The way I understand it, the board requires both 5V and 3.3V. 5V comes from either an external supply, or alternatively, through USB. 3.3V is supplied externally through a step-down.
What I don’t understand is what happens when debugging through the USB. The board appears to be a 3.3V board - how does the debugger communicate if USB is 5V?
Is there a voltage shifter on the G400-D for the USB data lines? If not, the 5V USB data going directly into the module seems like it would harm the chipset, unless I’m missing something. I’d like to be certain of how this works before plugging it in.