Toshiba H1 Series Data Book page 419

(9) GET_INTERFACE request
This request returns AlternateSetting value that is set by appointed interface.
bmRequestType bRequest
10000001B GET_
INTERFACE
If there is not appointed interface, it become to STALL state.
(10) SET_INTERFACE request
This request selects AlternateSetting in appointed interface.
bmRequestType bRequest
00000001B SET_
INTERFACE
If there is not appointed interface, it become STALL state.
(11) SYNCH_FRAME request
This request transmits synchronous frame of endpoint.
bmRequestType bRequest
10000010B SYNCH_FRAME
Automatically answer of this request does not support.
According to INT_SETUP interrupt, if receiving request was discerned as
SYNCH_FRAME request, write data of 2byte in Frame No after it confirmed
EP0_DSET_A bit of DATASET register is "0". When finishing, access EOP register,
and write "0" to EP0_EOPB bit. Therefore, status stage finish. It can be used only
in case of endpoint support isochronous transfer type and support this request.
Transaction is same with vendor request.
Pleas refer to vendor request section.
wValue wIndex
0 Interface
wValue wIndex
Alternate Interface
setting
wValue wIndex
0 Endpoint
92CZ26A-416
TMP92CZ26A
wLength Data
1 Alternate
setting
wLength Data
0 None
wLength Data
2 Frame No.