Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1200 of 1513
Aug 12, 2011
Figure 21-24. CPUDEC Request for Control Transfer (6/12)
(b) Control transfer (read) (4/4)
INTUSBF0 active
Reading UF0ISn register
Reading UF0ISn register
Transmitting ACK
INTUSBF0 active
CPUDECM = 0 (UF0IM1)
E0INM = 0 (UF0IM1)
Yes
STG = 1?
(UF0IS1)
No
Yes
SUCES = 1?
(UF0IS1)
No
STGM = 1
(UF0IM1)
SUCES = 1
(UF0IS1)
SUCESC = 0 (UF0IC1)
E0INC = 0 (UF0IC1)
END
J
Illegal processing
Illegal processing
Remarks 1. n = 0, 1
2. ♦: Processing by hardware