I have been given an XMOS USB + DAC board (FireStone Audio Custom Cute) which appears to work.
The marking on the XMOS device appear to be something like UD1210L1, which isn't something that Google can help with. The package is something like a TQFP 48, and Digikey appear to only stock the XS1-L4A-64-TQ48-C4 which might fit the bill.
After minor board modifications, it is possible to attach an XTAG-2 and run some simple blinky-LED code, and "xrun -l" returns device as "L[0]"
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Available XMOS DevicesID Name Adapter ID Devices0 XMOS XTAG-2 JOpVenGt L[0]
Any help identifying this device (preferably using JTAG) appreciated.
Thanks, Mark