du gg

k64 usb err

Discussion created by du gg on May 10, 2019
Latest reply on May 14, 2019 by Sabina Bruce

hello everyone

      during the communication of the USB,i pull up the USB line, the routine enter into the interrupt of usb err.

      but,i read the register of USB0_ERRSTAT,it's value is 0x00,

      how can i know  the reason of the err?