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參數(shù)資料
| 型號： | W6694CD |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | USB Bus ISDN S/T-Controller |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 18/42頁 |
| 文件大?。?/td> | 567K |
| 代理商： | W6694CD |
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Preliminary Data Sheet
W6694A USB-ISDN S/T-Controller
-18-
Publication Release Date: May, 2001
Revision 1.03
7.2.2.2 Device Set Feature, Remote Wake-up
BmRequestType
00H
SET_FEATURE
On received this request from host, W6694A will detect the incoming ISDN broadcast message. This is default setting.
bRequest
wValue
1
wIndex wLength
0
Data
None
0
7.2.2.3 Set Interface 0, Alternate Setting 0
bmRequestType
01H
SET_INTERFACE
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.
bRequest
wValue
0
wIndex wLength
0
Data
None
0
7.2.2.4 Set Interface 0, Alternate Setting 1
bmRequestType
01H
SET_INTERFACE
On received this request from host, all endpoints are enabled and functioning.
bRequest
wValue
1
wIndex wLength
0
Data
None
0
7.2.3 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. W6694A perform the read/write commands following
their order in the packet.
Data packet for Bulk-OUT transaction:
Offset 0
1
2
3
4
address1
data1
address2
data2
address3
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).
Contents of address byte:
Bit 7
6
5
4
3
0/1
0
0
A4
A3
5
6
7
data3
address4
data4
2
1
0
A2
A1
A0
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