Operation At Cable Disconnection - Renesas H8S Family Hardware Manual

Section 22 USB Function Module (USB)
22.5.2

Operation at Cable Disconnection

The above flowchart shows the operation in section 22.9, Example of USB External Circuitry.
Rev. 1.00 Mar. 12, 2008 Page 866 of 1178
REJ09B0403-0100
USB function
Cable connected
VBUS pin = 1
USB cable disconnection
VBUS pin = 0
UDC core reset
End
Figure 22.3 Operation at Cable Disconnection
Application