W6694CD WINBOND [Winbond], W6694CD Datasheet - Page 13

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

7.1.2 Control-OUT Transactions (Endpoint 0)
7.1.2.1 Device Clear Feature, Remote Wake-up
On received this request from host, W6694 will not detect the incoming ISDN broadcast message.
7.1.2.2 Device Set Feature, Remote Wake-up
On received this request from host, W6694 will detect the incoming ISDN broadcast message. This is
default setting.
7.1.2.3 Set Interface 0, Alternate Setting 0
On received this request from host, all endpoints except endpoint 0 are disabled. Also the B1/B2
channel FIFOs are reset and disabled. This is default setting.
7.1.2.4 Set Interface 0, Alternate Setting 1
On received this request from host, W6694 will enable the B1/B2 channel XFIFO and RFIFO.
7.1.3 Bulk-OUT Transaction (Endpoint 1)
Bulk-OUT endpoint is used to write data to register or/and index which register to be read in following
Bulk-IN transaction. A pare of two bytes (Address, Data) in Bulk-OUT data packet represents a read
or write command on one register. A maximum of 8 bytes consist one Bulk-OUT transaction. W6694
perform the read/write commands following their order in the packet.
Data packet for Bulk-OUT transaction:
Address byte will indicate the read or write action to that register, by assigning highest order bit (bit 7)
to 0 (read) or 1 (write).
BmRequestType
BmRequestType
bmRequestType
bmRequestType
Offset 0
address
00H
00H
01H
01H
1
data1
1
CLEAR_FEATURE
SET_INTERFACE
SET_INTERFACE
SET_FEATURE
bRequest
bRequest
bRequest
bRequest
address
2
2
data2
3
wValue
wValue
wValue
wValue
1
1
0
1
address
- 13 -
4
3
wIndex
wIndex
wIndex
wIndex
0
0
0
0
data3
5
Publication Release Date: October 2000
Preliminary W6694
wLength
wLength
wLength
wLength
address
0
0
0
0
6
4
data4
7
None
Data
None
None
None
Data
Data
Data
Revision A1