TMP92CZ26A
92CZ26A-414
(4) SET_ADDRESS request
This request set device address. Following request answer by using this device
address.
Answer of request is used present device address until status stage of this
request finish normally.
bmRequestType bRequest wValue wIndex wLength Data
00000000B SET_ADDRESS Device Address 0 0 None
(5) GET_DESCRIPTOR request
This request returns appointed descriptor.
bmRequestType bRequest wValue wIndex wLength Data
10000000B GET_
DESCRIPTOR
Descriptor type
and Descriptor
index
0
or
Language ID
Descriptor
length
Descriptor
• Device Device transmits device descriptor that is stored to descriptor RAM.
• Config Config transmits config descriptor that is stored to descriptor RAM.
At this point, it transmits not only config descriptor but also
interface and endpoint descriptor.
• String String transmits string descriptor of index that is appointed lower
byte of wValue field.
Note: Decriptor of short data length in wLength and descriptor length is transmitted by automatically answer of
Get_Descriptor.