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參數(shù)資料
型號: W9967BCF
廠商: WINBOND ELECTRONICS CORP
英文描述: JPEG USB Camera Chip(運(yùn)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(jī)接口控制器)
中文描述: USB相機(jī)的JPEG芯片(運(yùn)用的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(jī)接口控制器)
文件頁數(shù): 30/72頁
文件大小: 756K
代理商: W9967BCF
W9967BCF
- 30 -
14
iManufacturer
1
0x01
ndex of string descriptor describing
manufacturer
15
iProduct
1
0x02
ndex of string descriptor describing product
16
iSerialNumber
1
0x00
ndex of string descriptor describing the
device
s serial number
Number of possible configurations
17
bNumConfigurations
1
0x01
Note 1. Vendor ID and Product ID will be replaced with bytes 0-3 of an external serial E
2
PROM if
present.
7.4.3.2 Configuration Descriptors
The W9967BCF returns a Configuration Descriptor and other configuration related descriptors as
described below. When the host requests the Configuration Descriptor, all related interface and
endpoint descriptors are returned.
Table 7.6 W9967BCF Configuration Descriptor
Offset
Field
Size
Value
Description
0
bLength
1
0x09
Size of this descriptor in bytes
1
bDescriptorType
1
0x02
Configuration Descriptor Type
2
wTotalLength
2
0x0119
Total length of data returned for this
configuration. Includes the combined length of
all descriptors returned for this configuration.
4
bNumberInterfaces
1
0x01
Number of interfaces supported by this
configuration
5
bConfigurationValue
1
0x01
Value used as an argument to Set
Configuration to select this configuration
6
iConfiguration
1
0x00
No configuration string
7
bmAttributes
1
0x80
Configuration characteristics
8
Maxpower
1
0xFA or
0x32
(Note 1)
Maximum power consumption from the bus
when the device is fully operational. Expressed
in 2 mA units.
Note 1. Value of this field is 0xFA (500 mA) for high power devices (CR00_10 = 1), or 0x32 (100 mA)
for low power devices (CR00_10 = 0).
Table 7.7 W9967BCF Video 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
0x00
Default alternate setting zero
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W9967CF JPEG USB Camera Chip(運(yùn)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(jī)接口控制器)
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參數(shù)描述
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