How do I detect if a USB host is connected to my device? Answer In a self-powered system, it is generally desirable to be able to detect the presence of VBUS. VBUS indicates when a host device has been connected to or disconnected from the USB peripheral. For EFM8 devices, the VBUS s...
I designed a board, based on the LPC2388, with an USB device interface.The VBUS (pin P1.30) is used as an ADC and not as a VBUS detector.QUESTION 1Can I use a GPIO pin to detect the status of the VBUS?QUESTION 2Which software corrections I have to do to Kei...
(https://community.freescale.com/thread/248703), I need to disable "USB OTG pin detect support" to avoid hang problem, maybe I should append a GPIO to detect VBUS contion. Thank you of your reply. 0 Kudos Reply 03-19-2013 11:02 PM 2,211 Views weidong_sun NXP TechSupport ...