CX82100 Datasheet, PDF (3/226 Pages) Conexant Systems, Inc – Home Network Processor (HNP)

CX82100 Home Network Processor Data Sheet
Contents
Revision History .......................................................................................................................................... xiv
1 Introduction ......................................................................................................................................... 1-1
1.1 Scope..........................................................................................................................................................................1-2
1.2 Features ......................................................................................................................................................................1-2
1.3 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
1.3.5
ASB Arbiter..................................................................................................................................................1-7
ASB Masters................................................................................................................................................1-7
ARM940T Master.................................................................................................................................1-7
DMAC Master ......................................................................................................................................1-7
Host Interface Master ..........................................................................................................................1-7
1.3.6 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
Internal RAM .......................................................................................................................................1-8
1.3.7 APB Functions .............................................................................................................................................1-9
EMAC Interface ....................................................................................................................................1-9
USB Interface.......................................................................................................................................1-9
General Purpose Input/Output Interface ...............................................................................................1-9
Clock Generation..................................................................................................................................1-9
Interrupt Controller ..............................................................................................................................1-9
1.4 Development Kits ........................................................................................................................................................1-9
1.5 Typical Applications...................................................................................................................................................1-10
1.5.1 Typical Home Networking Architecture ......................................................................................................1-10
1.6 References ................................................................................................................................................................1-13
1.7 Key Words.................................................................................................................................................................1-14
1.8 Conventions ..............................................................................................................................................................1-15
1.8.1 Data Lengths .............................................................................................................................................1-15
1.8.2 Register Descriptions ................................................................................................................................1-15
101306C
Conexant Proprietary and Confidential Information
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