Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1201 of 1513
Aug 12, 2011
Figure 21-24. CPUDEC Request for Control Transfer (7/12)
(c) Control transfer (write) (1/4)
Clearing UF0E0R register
C
K
G
INTUSBF0 active
Yes
Normal reception?
No
EP0RC = 1
(UF0FIC0)
No
PROT = 1?
(UF0IS1)
Yes
Yes
OUT token received?
No
Writing UF0E0R register
E0ODT = 1 (UF0IS1)
EP0R = 1 (UF0EPS0)
EP0NKR = 1 (UF0E0N)
Reading UF0ISn register
Remarks 1. n = 0, 1
2. ♦: Processing by hardware