W6694 Datasheet, PDF (12/33 Pages) Winbond – USB Bus ISDN S/T-Controller

Preliminary W6694
7.1.1.2 Get Configuration Descriptor, continued
OFFSET
FIELD
SIZE
VALUE (HEX)
REMARK
Endpoint 3 Descriptor
0
bLength
1
07
1
bDescriptorType
1
05
2
bEndpointAddress
1
83
IN
3
bmAttributes
1
03
Interrupt
4
wMaxPacketSize
2
0005
6
bInterval
1
01
Endpoint 4 Descriptor
0
bLength
1
07
1
bDescriptorType
1
05
2
bEndpointAddress
1
04
OUT
3
bmAttributes
1
01
Isochronous
4
wMaxPacketSize
2
0017
6
bInterval
1
01
Endpoint 5 Descriptor
0
bLength
1
07
1
bDescriptorType
1
05
2
bEndpointAddress
1
85
IN
3
bmAttributes
1
01
Isochronous
4
wMaxPacketSize
2
0029
6
bInterval
1
01
Note: After W6694 is successfully enumerated by the USB host, software must issue SET_INTERFACE request with alternate
setting 1, to enable all endpoints. When in default state (alternate setting 0), only endpoint 0 is functioning.
7.1.1.3 Get String Descriptor 0
OFFSET
0
1
2
FIELD
bLength
bDescriptorType
wLanguage ID
SIZE
1
1
2
VALUE (HEX)
04
03
0409
DESCRIPTION
U.S. English
7.1.1.4 Get String Descriptor 1 (Product)
OFFSET
FIELD
SIZE (HEX)
0
bLength
1
1
bDescriptorType
1
2
bString
16
VALUE (HEX)
18
03
STRING (UNICODE)
“USB ISDN TA”
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