![]() Note that the filtering networks 33R/18pF on D+/D- are recommended, but sometimes not present on a board.Check the hardware schematic of your (non-)mbed boards and modify accordingly. The Nucleo doesnt have the pullup by default. In this case the pullup is switched by T2 which is controlled by the LPC1768 chip. ![]() Here is an example schematic from the mbed LPC1768 USB section. That allows enabling or disabling the USB communication under software control. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |