STM32F105 PA9/OTG_FS_VBUS Issues

ISSUE 1: PA9/OTG_FS_VBUS +5V Tolerance   When the STM32F105 is configured as a USB device, the PA9/OTG_FS_VBUS is used to detect the presense of a USB host.  ST Micro evaluation designs show the PA9/O

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