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IBM3206K0424 Datasheet Preview

IBM3206K0424 Datasheet

IBM Processor for Network Resources

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IBM3206K0424 pdf
IBM Processor for Network Resources
Revision 2.5
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Preliminary




IBM
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IBM3206K0424 Datasheet

IBM Processor for Network Resources

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IBM3206K0424 pdf
Copyright and Disclaimer
Copyright International Business Machines Corporation 1999, 2000
All Rights Reserved
Printed in the United States of America August 2000
The following are trademarks of International Business Machines Corporation in the United States, or other coun-
tries, or both.
IBM IBM Logo
PowerPC
Other company, product and service names may be trademarks or service marks of others.
All information contained in this document is subject to change without notice. The products described in this docu-
ment are NOT intended for use in implantation or other life support applications where malfunction may result in injury
or death to persons. The information contained in this document does not affect or change IBM product specifications
or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellec-
tual property rights of IBM or third parties. All information contained in this document was obtained in specific environ-
ments, and is presented as an illustration. The results obtained in other operating environments may vary.
THE INFORMATION CONTAINED IN THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS. In no event will IBM
be liable for damages arising directly or indirectly from any use of the information contained in this document.
While the information contained herein is believed to be accurate, such information is preliminary, and should not be
relied upon for accuracy or completeness, and no representations or warranties of accuracy or completeness are
made.
IBM Microelectronics Division
1580 Route 52, Bldg. 504
Hopewell Junction,
NY 12533-6351
The IBM home page can be found at
http://www.ibm.com
The IBM Microelectronics Division home page
can be found at http://www.chips.ibm.com
pnr25.01
August 14, 2000




IBM
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IBM3206K0424 Datasheet

IBM Processor for Network Resources

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IBM3206K0424 pdf
Preliminary
IBM3206K0424
IBM Processor for Network Resources
Contents
Features .......................................................................................................................... 21
Description ..................................................................................................................... 21
Conventions ................................................................................................................... 22
Standards Compliance .................................................................................................. 23
Environmental Ratings .................................................................................................. 24
Functional Description .................................................................................................. 28
Subsystem Blocks ............................................................................................................................... 29
External Architecture ........................................................................................................................... 30
Internal Architecture ............................................................................................................................ 31
Logical Channel Support ................................................................................................................. 31
Virtual Memory Support ................................................................................................................... 31
Queues ............................................................................................................................................ 32
Scheduling ....................................................................................................................................... 32
System Environment ........................................................................................................................... 34
Data Flows ...................................................................................................................... 36
Transmit Path ....................................................................................................................................... 37
Receive Path ......................................................................................................................................... 39
Input/Output Definitions ................................................................................................ 41
DRAM Memory Bus Interface .............................................................................................................. 41
DRAM Memory Bus Interface .............................................................................................................. 44
NPBUS ................................................................................................................................................... 48
ATM PHY Bus Interface ....................................................................................................................... 51
Data Structures .............................................................................................................. 61
Packet Header ...................................................................................................................................... 61
Transmit Logical Channel Descriptor Data Structures .................................................................... 66
Field Definitions ............................................................................................................................... 74
Receive LCD Data Structure and Modes ........................................................................................ 78
Raw LCD ......................................................................................................................................... 80
Raw Routed LCD ............................................................................................................................. 81
Raw Routed Early Drop LCD ........................................................................................................... 82
Raw Scatter/Cut-Through LCD ........................................................................................................ 83
AAL5 LCD ........................................................................................................................................ 84
AAL5 Routed LCD ........................................................................................................................... 85
AAL5 Cut-Through/Scatter Mode LCD ............................................................................................ 86
Packet LCD ..................................................................................................................................... 87
Packet Routed LCD ......................................................................................................................... 88
Packet Cut-Through Scatter Mode LCD .......................................................................................... 89
Field Definitions ............................................................................................................................... 90
nrm.toc.01
August 14, 2000
Page 3




Part Number IBM3206K0424
Description IBM Processor for Network Resources
Maker IBM
Total Page 30 Pages
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