As you can see from my calculation the width of the tracks are 0.25mm with a gap of 0.15mm.
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[33656.321046] usb 3-1.3.2: USB disconnect, device number 18 [33660.299860] usb 1-5: USB disconnect, device number 20 [33665.865270] usb 1-6: new high-speed USB device number 25 using xhci_hcd [33666.006096] usb 1-6: New USB device found, idVendor=2f3f, idProduct=2001 [33666.006100] usb 1-6: New USB device strings: Mfr=1, Product=3, SerialNumber=2 [33666.006102] usb 1-6: Product: CONET 8-ch-sc [33666.006105] usb 1-6: Manufacturer: CONET Solutions GmbH [33666.006106] usb 1-6: SerialNumber: 932184B3 [33671.062142] usb 1-6: parse_audio_format_rates_v2(): unable to find clock source (clock -71) ... [33671.269216] usb 1-6: 1:1: usb_set_interface failed (-71) [33676.377782] usb 1-6: cannot get ctl value: req = 0x81, wValue = 0x101, wIndex = 0xb00, type = 1 ... [33671.087823] usb 1-6: 10:0: cannot get min/max values for control 2 (id 10) [33671.087902] usb 1-6: cannot get ctl value: req = 0x83, wValue = 0x201, wIndex = 0xa00, type = 4
.cannot load mixer controls: Protocol error
I have an continuous GND plane under the bus tracks. The current board has no keep out between the USB Bus tracks.
The 24MHz Master Clock looks good on the oscilloscope.
The Debugger said but I do not know if it is related:
tile core (Suspended: Signal 'ET_LOAD_STORE' received. Description: Memory access exception.)
4 handle_audio_request() decouple.xc:493 0x00041b64
3 __kent() 0x00040766
2 __main__main_tile_1_task_decouple_4() main.xc:185 0x00040d0d
1 <symbol is not available> 0x00000000