CX20431-21 参数 Datasheet PDF下载

AccessRunner ADSL-USB Modem Device Set Data Sheet

Contents

1.

Introduction ....................................................................................................................................................... 1-1

1.1

1.2

1.3

Overview................................................................................................................................................... 1-1

Applications .............................................................................................................................................. 1-1

Features ................................................................................................................................................... 1-3

1.3.1

P5200 USB Interface Controller Features.................................................................................. 1-3

1.3.2

CX11627 ADSL DMT Data Pump Features ............................................................................... 1-3

1.3.3

CX20431 ADSL Analog Front End Features.............................................................................. 1-4

1.3.4

CX20441 ADSL Line Driver Features ........................................................................................ 1-4

Reference Design..................................................................................................................................... 1-4

General Description.................................................................................................................................. 2-1

2.1.1

Boot ROM and Power Up Procedure ......................................................................................... 2-1

2.1.2

Serial EEPROM Programming Utility ......................................................................................... 2-1

ADSL Operation ....................................................................................................................................... 2-1

2.2.1

ADSL Operating Modes ............................................................................................................. 2-1

Full Rate ADSL Modes...................................................................................................... 2-1

G.lite Splitterless Mode ..................................................................................................... 2-1

LAN Mode ......................................................................................................................... 2-1

WAN Mode........................................................................................................................ 2-1

2.2.2

Host Software............................................................................................................................. 2-2

2.2.3

Control Panel ............................................................................................................................. 2-2

2.2.4

Installation Wizard ..................................................................................................................... 2-2

Device Description ................................................................................................................................... 2-2

2.3.1

P5200 UIC Description............................................................................................................... 2-2

ARM Processor ................................................................................................................. 2-2

External Memory Controller............................................................................................... 2-2

Host Interface.................................................................................................................... 2-3

ADSL Interface.................................................................................................................. 2-3

USB Interface.................................................................................................................... 2-3

LED Interface .................................................................................................................... 2-3

EEPROM Interface............................................................................................................ 2-3

General Purpose Input/Output Interface ........................................................................... 2-3

2.3.2

CX11627 ADDP Description ...................................................................................................... 2-4

ATM Transmission Convergence ...................................................................................... 2-4

Digital Interface ................................................................................................................. 2-4

QAM Encoder/Decoder ..................................................................................................... 2-4

FFT.................................................................................................................................... 2-4

Analog Front End Interface ............................................................................................... 2-4

Microcontroller Interface.................................................................................................... 2-4

2.3.3

CX20431 AFE Description ......................................................................................................... 2-5

2.3.4

CX20441 LD Description............................................................................................................ 2-6

P5200 UIC Hardware Interface Signals.................................................................................................... 3-1

3.1.1

P5200 UIC Signal Interface, Pin Assignments, and Signal Definitions ...................................... 3-1

P5200 UIC Electrical and Environmental Specifications .......................................................................... 3-8

CX11627 ADDP Hardware Interface Signals ......................................................................................... 3-10

3.2.1

CX11627 ADDP Hardware Signals, Pin Assignments, and Signal Definitions ........................ 3-10

3.2.2

CX11627 ADDP Electrical and Environmental Specifications ................................................. 3-17

CX20431 AFE Hardware Interface Signals ............................................................................................ 3-19

3.3.1

CX20431 AFE Hardware Signals, Pin Assignments, and Signal Definitions ........................... 3-19

3.3.2

CX20431 AFE Electrical and Environmental Specifications .................................................... 3-22

1.4

2.

2.1

System Description........................................................................................................................................... 2-1

2.2

2.3

3.

Hardware Interface............................................................................................................................................ 3-1

3.1

3.2

3.3

100427B

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