i2c between SAMD21 to EDBG

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Is it possible to send data using I2C between the SAM D21 and the EDBG on the Xplained Pro board, I have been reading the documentation on the EDBG :


The following from the document...

The sequence starts by sending a normal start condition followed by an address byte (default address is 0x28) with the RW bit cleared. Then a request token identifying the requested information is sent.....

The only 2 request tokens mentioned are for Kit Data and Extension Boards , so what then do I use as the request token if I am not using a Kit Data or Extension Boards ?


Thanks for any help