https://devzone.nordicsemi.com/f/nordic-q-a/51504/usb-endpointsTo the kind attention of the Nordic support team, we are using nRF52840 and from the hardware manual (51 USBD) we can see: 2 control (1 IN , 1 OUT), 14 bulk/interrupt (7 IN , 7 OUT) and 2 ISO (1 IN, 1 OUT) endpoints Is it possible to only useen-USTelligent Community 13Thu, 29 Aug 2019 06:13:33 GMThttps://devzone.nordicsemi.com/thread/206749?ContentTypeID=1Thu, 29 Aug 2019 06:13:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9834c023-1e9c-46e8-b4aa-a85f53447f8eovrebekk<p>Hi</p> <p>The USB endpoints are organized in 7 pairs of IN/OUT.&nbsp;</p> <p>In other words you can not have more than 7 of either type, you are limited to 7 OUT or 7 IN max.&nbsp;</p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>