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參數資料
型號: W9967BCF
廠商: WINBOND ELECTRONICS CORP
英文描述: JPEG USB Camera Chip(運用JPEG壓縮技術和通用串行總線結構技術的照相電路數字處理芯片的攝像照相機接口控制器)
中文描述: USB相機的JPEG芯片(運用的JPEG壓縮技術和通用串行總線結構技術的照相電路數字處理芯片的攝像照相機接口控制器)
文件頁數: 31/72頁
文件大小: 756K
代理商: W9967BCF
W9967BCF
Publication Release Date: March 2000
- 31 - Revision A1
4
bNumEndpoints
1
0x01
Number of endpoints used by this interface
5
bInterfaceClass
1
0x00
mage interface class code
6
bInterfaceSubClass
1
0x00
Digital Video Camera subclass code
7
bInterfaceProtocol
1
0x00
Protocol code. No class specific protocol.
8
iInterface
1
0x00
No interface string
Table 7.8 W9967BCF Data-In Endpoint Descriptor
Offset
Field
Size
Value
Description
0
bLength
1
0x07
Size of this descriptor in bytes
1
bDescriptorType
1
0x05
Endpoint Descriptor Type
2
bEndpointAddress
1
0x81
Endpoint number. Direction is set to IN.
3
bmAttributes
1
0x01
sochronous transfer type
4
wMaxPacketSize
2
0x00
Default zero bandwidth
6
bInterval
1
0x01
nterval in milliseconds for polling endpoint for
data transfers
The W9967BCF Video interface includes 16 alternate settings that allow the Data-In endpoint
bandwidth to be varied decreasingly from 8 Mbps down to 0.5 Mbps in descending 0.5 Mbps steps
such that the device driver can request subsequently smaller bandwidth quantities. A separate
interface descriptor and its associated endpoint are included for each setting. When the host requests
the Configuration Descriptor, all 16 pairs of interface and endpoint descriptors for alternate setting
should follow the interface and endpoint descriptors for the default alternate setting zero.
The W9967BCF supports the Get Interface and Set Interface requests to report or select a specific
alternate setting for the Video interface.
Table 7.9 W9967BCF Video Interface Alternate Setting 1-16 Interface Descriptor
Offset
Field
Size
Value
Description
0
bLength
1
0x09
Size of this descriptor in bytes
1
bDescriptorType
1
0x04
nterface Descriptor Type
2
bInterfaceNumber
1
0x00
Number of interface
3
bAlternateSetting
1
1-16
(Note 1)
Alternate setting 1-16 for this interface
4
bNumEndpoints
1
0x01
Number of endpoints used by this interface
5
bInterfaceClass
1
0x00
mage interface class code
6
bInterfaceSubClass
1
0x00
Digital Video Camera subclass code
7
bInterfaceProtocol
1
0x00
Protocol code. No class specific protocol.
相關PDF資料
PDF描述
W9967CF JPEG USB Camera Chip(運用JPEG壓縮技術和通用串行總線結構技術的照相電路數字處理芯片的攝像照相機接口控制器)
W99681CF JPEG USB Dual Mode Camera Chip(運用JPEG壓縮技術、通用串行總線結構技術、雙制式的照相電路數字處理芯片的攝像照相機接口控制器)
W9971CF Integrated Video Graphics Accelerator(集成的視頻圖形加速器)
W9980 Digital Voice Recorder(數字式錄音器)
WA08-2433A 820-980 MHz LOW NOISE BALANCE AMPLIFIER WA08-2433A
相關代理商/技術參數
參數描述
W99681CF 制造商:WINBOND 制造商全稱:Winbond 功能描述:JPEG USB Dual Mode Camera Chip
W99685 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
W99685BS 制造商:WINBOND 制造商全稱:Winbond 功能描述:SYSTEM CAMERA DEVICE
W99685FS 制造商:WINBOND 制造商全稱:Winbond 功能描述:SYSTEM CAMERA DEVICE
W9968CF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Camera