SH7216 Datasheet, PDF (27/32 Pages) Renesas Technology Corp – USB Mass Storage Class

Bulk-in operation
in data transport
SH7216 Group
USB Function Module: USB Mass Storage Class
Amount of data planned b host _NO
=
Amount of data planned by function
YES
Data us sent in
data transport
Amount of data planned b host _NO
>
Amount of data planned by function
YES
0 is added until data is equal to
the data length required by
the host and then data is output
Data is sent until the
amount of data planned
by the host has been sent
CASE: (6)
Set H'00 in
bCSWStatus
Set the additional
amount of data in
dCSWDataResidue
CASE: (4) (5)
Set H'00 in
bCSWStatus
Set the amount of data
not yet sent in
dCSWDataResidue
CASE: (7) (8)
Set H'02 in
bCSWStatus
Status transport operation
Figure 9 Error Processing Flow in Data Transport (2)
REJ06B0897-0100/Rev.1.00
July 2009
Page 27 of 32