CX82100-12 参数 Datasheet PDF下载

CX82100 Home Network Processor Data Sheet

Contents

Revision History .......................................................................................................................................... xiv

1

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

1.1

1.2

1.3

Scope..........................................................................................................................................................................1-2

Features ......................................................................................................................................................................1-2

General Hardware Overview.........................................................................................................................................1-3

1.3.1

Advanced Microcontroller Bus Architecture .................................................................................................1-6

1.3.2

ARM940T Processor ...................................................................................................................................1-6

1.3.3

ASB Decoder ...............................................................................................................................................1-6

1.3.4

ASB Arbiter..................................................................................................................................................1-7

1.3.5

ASB Masters................................................................................................................................................1-7

ARM940T Master.................................................................................................................................1-7

DMAC Master ......................................................................................................................................1-7

1.3.6

Host Interface Master ..........................................................................................................................1-7

ASB Slaves ..................................................................................................................................................1-8

ARM940T Slave ...................................................................................................................................1-8

External Memory Controller Slave........................................................................................................1-8

ASB-to-APB Bridge/DMAC ...................................................................................................................1-8

Internal ROM .......................................................................................................................................1-8

1.3.7

Internal RAM .......................................................................................................................................1-8

APB Functions .............................................................................................................................................1-9

EMAC Interface ....................................................................................................................................1-9

USB Interface.......................................................................................................................................1-9

General Purpose Input/Output Interface ...............................................................................................1-9

Clock Generation..................................................................................................................................1-9

1.4

1.5

1.6

1.7

1.8

Interrupt Controller ..............................................................................................................................1-9

Development Kits ........................................................................................................................................................1-9

Typical Applications...................................................................................................................................................1-10

1.5.1

Typical Home Networking Architecture ......................................................................................................1-10

References ................................................................................................................................................................1-13

Key Words.................................................................................................................................................................1-14

Conventions ..............................................................................................................................................................1-15

1.8.1

Data Lengths .............................................................................................................................................1-15

1.8.2

Register Descriptions ................................................................................................................................1-15

101306C

Conexant Proprietary and Confidential Information

iii