Can I use the USB interface on Sterling-EWB?

We do not support the USB interface on the Sterling-EWB. The VDD_USB power supply pin ,as labeled, only provides bias to pins PA11 and PA12.  That is why it specified as 3.0 – 3.6V in the datasheet.

The USB interface on the DVK (J24) is only to the FTDI USB-UART translator, the communication to the EWB is on UART1 from the FTDI part. 

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