Datasheet

Section 16 USB Function Module (USB)
Page 1002 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
(4) Status Stage (Control-In)
USB function Application
OUT token reception
0-byte reception from host
End of control transfer
Set EP0o reception
complete flag
(IFR1.EP0o TS = 1)
Clear EP0o reception
complete flag
(IFR1.EP0o TS = 0)
Write 1 to EP0o read
complete bit
(TRG0.EP0o RDFN = 1)
End of control transfer
ACK
Interrupt request
Figure 16.14 Status Stage (Control-In) Operation
The control-in status stage starts with an OUT token from the host. The application receives 0-
byte data from the host, and ends control transfer.