CX20431-21 参数 Datasheet PDF下载

AccessRunner ADSL-USB Modem Device Set Data Sheet

3.4

CX20441 LD Hardware Interface Signals............................................................................................... 3-24

3.4.1

CX20441 LD Hardware Signals, Pin Assignments, and Signal Definitions.............................. 3-24

3.4.2

CX20441 LD Electrical and Environmental Specifications....................................................... 3-27

Descriptors ............................................................................................................................................... 4-1

4.1.1

Device Descriptor....................................................................................................................... 4-1

4.1.2

Configuration Descriptor ............................................................................................................ 4-3

4.1.3

Interface Descriptor.................................................................................................................... 4-4

4.1.4

Endpoint Descriptor ................................................................................................................... 4-5

4.1.5

Enumeration............................................................................................................................... 4-6

4.1.6

Endpoint Pairs............................................................................................................................ 4-6

4.1.7

Language ID Table..................................................................................................................... 4-6

4.1.8

Manufacturer String Table.......................................................................................................... 4-6

4.1.9

Product ID String Table.............................................................................................................. 4-7

4.1.10 Serial Number String Table........................................................................................................ 4-8

4.

USB General Operation .................................................................................................................................... 4-1

4.1

5.

Package Dimensions ........................................................................................................................................ 5-1

iv

Conexant

100427B