Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1217 of 1513
Aug 12, 2011
Figure 21-30. Example of Suspend/Resume Processing (2/3)
(b) Example of Resume processing
RSUSPD = 1 (UF0IS0)
RSUM = 0 (UF0EPS1)
Yes
Resume detected?
No
Yes
RSUSPD = 1?
(UF0IS0)
No
Yes
RSUM = 0?
(UF0EPS1)
No
START
END
INTUSBF0 active
Reading UF0ISn register
Reading UF0EPS1 register
FW Resume processing
RSUSPDC = 0
(UF0IC0)
Illegal processing
Illegal processing
Remarks 1. n = 0, 1
2. ♦: Processing by hardware