PM8621-BI PMC-Sierra, Inc., PM8621-BI Datasheet - Page 6

• Manufacturer Part Number: PM8621-BI
• Description: Driver, NSE/SBS Narrowband Chipset Driver
• Manufacturer: PMC-Sierra, Inc.

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2021248, Issue 1
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Legal Information ................................................................................................................ 2
Contacting PMC-Sierra ....................................................................................................... 3
Overview ............................................................................................................................. 4
Table of Contents ................................................................................................................ 6
List of Figures.................................................................................................................... 15
List of Tables ..................................................................................................................... 17
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2
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3.1 Driver External Interfaces ........................................................................................... 38
3.2 Main Components....................................................................................................... 41
ABLE OF
Introduction ................................................................................................................. 21
Narrowband Chipset Overview................................................................................... 22
Software Architecture ................................................................................................. 38
Copyright ................................................................................................................... 2
Disclaimer.................................................................................................................. 2
Scope ........................................................................................................................ 4
Objectives.................................................................................................................. 4
References ................................................................................................................ 4
Centralized and Distributed System Configurations ............................................... 23
Scalability ................................................................................................................ 24
TeleCombus and SBI Bus Mode Switching............................................................. 25
TeleCombus and SBI Bus Tributary Naming Convention ....................................... 26
Chipset Loopback State .......................................................................................... 28
Fabric Wiring Topology............................................................................................ 29
1+1 and 1:N Port Protection.................................................................................... 30
Unidirectional Path Switching Ring (UPSR)............................................................ 31
Working and Protection Fabric ................................................................................ 33
Standard and Doubled Fabric.................................................................................. 33
CAS Traffic Routing ................................................................................................. 35
In-band Link Communication................................................................................... 36
SBS Egress Bus Integrity ........................................................................................ 37
Application Programming Interface ......................................................................... 40
Real-Time OS (RTOS) Interface ............................................................................. 41
Driver Abstraction Layer (DAL) ............................................................................... 41
Chipset Module Data-Block..................................................................................... 43
Module and Chipset Device Management .............................................................. 43
Event Processing .................................................................................................... 43
Status and Counts ................................................................................................... 43
Interface/Clock Configuration .................................................................................. 44
LVDS Serial Link Control......................................................................................... 44
Space/Time Switch Configuration ........................................................................... 45
C
ONTENTS
Narrowband Chipset Driver User’s Manual
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