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參數(shù)資料
型號: W9967CF
廠商: WINBOND ELECTRONICS CORP
元件分類: 消費家電
英文描述: JPEG USB Camera Chip(運用JPEG壓縮技術(shù)和通用串行總線結(jié)構(gòu)技術(shù)的照相電路數(shù)字處理芯片的攝像照相機接口控制器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-128
文件頁數(shù): 32/74頁
文件大?。?/td> 762K
代理商: W9967CF
W9967CF
- 32 -
6
bInterfaceSubClass
1
0x00
Digital Video Camera subclass code
7
bInterfaceProtocol
1
0x00
Protocol code. No class specific protocol.
8
Interface
Note 1. Refer to Table 7.11.
1
0x00
No interface string
Table 7.10 W9967CF Alternate Setting 1-16 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
Note 1
Maximum packet size of this alternate setting
6
bInterval
1
0x01
nterval in milliseconds for polling endpoint for
data transfers
Note 1. Refer to Table 7.11.
Table 7.11 shows
bAlternateSetting
fields and
wMaxPacketSize
fields for these alternate settings.
Table 7.11 The Maximum Data Payload Size in Bytes for Alternate Settings
Alternate Setting
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
bAlternateSetting
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
wMaxPacketSize
1023 959
895
831
767 703 639 575 511 447 383 319 255 191 127 63
7.4.3.3 String Descriptors
The W9967CF includes strings describing the manufacturer and product as shown in Table 7.12.
Table 7.12 W9967CF Default Stream Descriptors
Offset
Field
Size
Value
Description
0
bLength
1
0x04
Length of String descriptor in bytes
1
bDescriptorType
1
0x03
String Descriptor Type
2
bString
2
0x0409
Array of two-byte LangID codes (English
American)
4
bLength
1
0x10
Length of String descriptor in bytes
5
bDescriptorType
1
0x03
String Descriptor Type
6
bString
14
WINBOND
Manufacturer
20
bLength
1
0x10
Length of String descriptor in bytes
21
bDescriptorType
1
0x03
String Descriptor Type
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