參數(shù)資料
型號(hào): PL-2521
英文描述: PL-2521 Hi-Speed USB Cellular Mate and Flash Disk Controller Product Datasheet v1.0|Doc - Data Sheet?-- ?PL-2521 Hi-Speed USB CellularMate and Flash Disk Controller
中文描述: 特等- 2521高速USB細(xì)胞伴侶和U盤(pán)控制器產(chǎn)品數(shù)據(jù)表1.0 |文件-數(shù)據(jù)表? - ?特等- 2521高速USB CellularMate和U盤(pán)控制器
文件頁(yè)數(shù): 4/19頁(yè)
文件大?。?/td> 190K
代理商: PL-2521
Release Date
August 2003
ds_pl2507_v13
PL-2507 Product Datasheet
- 12 -
Document Version 1.3
5.5 Device_Qualifier Descriptors
Table 5-5 Device Qualifier Descriptors
Offset
Field
Size
Value
Description
0
bLength
Byte
0Ah
Size of this descriptor in bytes.
1
bDescriptorType
Byte
06h
DEVICE Qualifier descriptor type.
2
bcdUSB
Word
0200h
USB Specification version 2.0
4
bDeviceClass
Byte
00h
Interface Specific.
5
bDeviceSubclass
Byte
00h
Interface Specific.
6
bDeviceProtocol
Byte
00h
Interface Specific.
7
wMaxPacketSize0
Byte
40h
Maximum packet size for endpoint 0 is 64.
8
bNumConfigurations
Byte
01h
Number of other-speed configurations.
9
bReserved
Byte
00h
Reserved for future use, must be zero
5.6 Other_Speed_Configuration Descriptors
Table 5-6 Other Speed Configuration Descriptors
Offset
Field
Size
Value
Description
0
bLength
Byte
09h
Size of this descriptor in bytes.
1
bDescriptorType
Byte
07h
CONFIGURATION descriptor type.
2
bTotalLength
Word
0020h
32 bytes of all INTERFACE & ENDPOINT.
4
bNumInterfaces
Byte
01h
Number of interface supported, one interface.
5
bConfigurationValue
Byte
01h
Value to write to the Device Configuration
Register (DCR) to select this configuration.
6
iConfiguration
Byte
00h
No string description for this.
7
bmAttributes
Byte
C0h
Configuration characteristics:
Self-Powered & No Remote Wakeup.
8
MaxPower
Byte
32h
Maximum power consumption is 100 mA
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