W6694CD WINBOND [Winbond], W6694CD Datasheet - Page 10

• Manufacturer Part Number: W6694CD
• Description: USB Bus ISDN S/T-Controller
• Manufacturer: WINBOND [Winbond]

USB standard requests are supported by W6694, and W6694 will respond to requests according to
USB specification revesion 1.1. These includes “CLEAR_FEATURE, GET_CONFIGURATION,
GET_DESCRIPTOR, GET_INTERFACE, GET_STATUS, SET_ADDRESS, SET_CONFIGURATION,
SET_DESCRIPTOR, SET_FEATURE, SET_INTERFACE”. The “SYNC_FRAME” request is not
supported.
7.1.1 Control-IN Transactions (Endpoint 0)
7.1.1.1 Get Device Descriptor
* Note: Refer to EEPROM session for its layout of contents.
7.1.1.2 Get Configuration Descriptor
OFFSET
OFFSET
10
12
14
15
16
17
0
1
2
4
5
6
7
8
0
1
2
4
5
6
7
8
bLength
bDescriptorType
bcdUSB
bDeviceClass
bDeviceSubClass
bDeviceProtocol
bMaxPacketSize
idVendor
idProduct
bcdDevice
iManufacturer
iProduct
iSerialNumber
bNumConfiguration
bLength
bDescriptorType
wTotalLength
bNumInterface
bConfigurationValue
iConfiguration
bmAttributes
MaxPower
FIELD
FIELD
Configuration Descriptor
SIZE
SIZE
1
1
2
1
1
1
1
2
2
2
1
1
1
1
1
1
2
1
1
1
1
1
- 10 -
DEFAULT VALUE
VALUE (HEX)
(HEX)
003E
0110
1046
6694
0100
FF
A0
12
01
00
00
08
00
01
00
01
09
02
01
01
00
32
Preliminary W6694
UPDATED BY EEPROM
Remote Wakeup
Bus Powered,
REMARK
100 mA
Yes *
Yes *
Yes *
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