R01UH0823EJ0100 Rev.1.00
Page 961 of 1823
Jul 31, 2019
RX23W Group
32. USB 2.0 Host/Function Module (USBc)
Figure 32.23
Process Flow for Operating as Charging Downstream Port (Steps (A) to (B))
D-Line Drive
Control
Drive VBUS
Connection detected?
Set VDMSRCE0 bit to 1
Set VDMSRCE0 bit to 0
(within 10 ms)
Disconnection detected?
Set VDMSRCE0 bit to 1
(within 200 ms)
No
Yes
No
Yes
Normal state