AnsweredAssumed Answered

MKL27: Unknown USB Device

Question asked by Lorenzo Conti on Jul 14, 2017
Latest reply on Jul 17, 2017 by Lorenzo Conti

Dear experts,


I am experiencing some problems while trying to get my custom MKL27 board recognized to my PC as Mass storage device. It's a fresh new MCU on the board. The device is recognized as follows in the windows device management:


Unknown USB Device (Device Descriptor Request Failed)


What could I be doing wrong? The USB connection is almost identical to FRDM-KL27 board.


Many thanks in advance.