Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1206 of 1513
Aug 12, 2011
Figure 21-24. CPUDEC Request for Control Transfer (12/12)
(d) Control transfer (without data stage) (2/2)
Yes
Yes
IN token received?
No
Yes
SUCES = 1?
(UF0IS1)
No
INTUSBF0 active
Transmitting data of Null packet
Reading UF0ISn register
SUCES = 1 (UF0IS1)
E0INDT = 1 (UF0IS1)
SUCESC = 0 (UF0IC1)
E0INC = 0 (UF0IC1)
E0INDTC = 0 (UF0IC1)
E0INM = 0 (UF0IM1)
CPUDECM = 0 (UF0IM1)
E0INM = 1 (UF0IM1)
STGM = 1 (UF0IM1)
ACK received?
No
END
Request processing
N
Illegal processing
Remarks 1. n = 0, 1
2. ♦: Processing by hardware