Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1213 of 1513
Aug 12, 2011
Figure 21-28. Processing If More Data Than Expected by System Is Transmitted (Endpoint2) (1/2)
Yes
OUT token received?
No
Yes
OUT token received?
No
Yes
BKO1FL = 1?
(UF0IS3)
No
START
Writing UF0BO1 register
BKO1DT = 1 (UF0IS3)
BKOUT1 = 1 (UF0EPS0)
INTUSBF0 active
Clearing UF0BO1 register
Yes
Normal reception?
No
Writing UF0BO1 register
Reading UF0ISn register
BKO1NKM = 1 (UF0ENM)
BKO1FL = 1 (UF0IS3)
BKO1NK = 1 (UF0EN)
Clearing UF0BO1 register
Yes
Normal reception?
No
I
Updating data length
of UF0BO1L register
BKO1NK = 1 (UF0EN)
Illegal processing
Remarks 1. n = 2, 3
2. ♦: Processing by hardware