Wakeup from system off by VBUS

RE: Wakeup from system off by VBUS

Constantin — Wed, 22 Jun 2022 07:45:09 GMT

Hi, did you get any information on your issue. I am facing the same situation. Kind regards, C.W

RE: Wakeup from system off by VBUS

Simonr — Tue, 12 Nov 2019 08:16:30 GMT

Please create a new ticket regarding this issue, as we try to keep each ticket limited to one subject.

RE: Wakeup from system off by VBUS

Mihal — Mon, 11 Nov 2019 18:22:33 GMT

hi. i did not implemented any USB functionality yet but VBUS is connected and MCU wakes up any time when USB connected or disconnected is there any easy way to turn this behavior off? board is battery powered

RE: Wakeup from system off by VBUS

Simonr — Wed, 04 Sep 2019 07:45:05 GMT

Hi Morten

The USB peripheral is shut down in System OFF mode, so the only USB-related wake-up source will be VBUS detected, meaning that VBUS rises past the detect voltage. The USBD example implements power detection on the USB.

Best regards,

Simon