PM8621-BI PMC-Sierra, Inc., PM8621-BI Datasheet - Page 192

• 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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NSE Device Initialization Vector: nbcsNseDivHPT
This NSE DIV sets the NSE to the following:
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Centralized SBI Bus Application
All SBS and NSE devices are under the control of a single microprocessor. The OPA library is
also activated. SBS devices are passing SBI bus traffic. Path termination mode is LPT.
Module Initialization Vector: nbcsInitMivCentralSbiByte
This profile can be used to set the system in centralized SBI bus byte mode with a 1-stage time-
space-time fabric:
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SBS Device Initialization Vector: nbcs InitSbsDivLPT19
This SBS DIV sets the SBS to the following:
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all timeslices are configured for HPT termination mode
the multiframe is 4
ILC threshold for all ports are 250 microseconds
ILC FIFO threshold is 1 data unit
all timeslices are configured for HPT termination mode
the ILC FIFO timeout is 250us
the ILC FIFO threshold is 1 data unit
Bus type is SBI
switching mode is byte
Both SBS and NSE device drivers are present
standard fabric is assumed
standard OPA scheduling is selected
all connection map settings are automatically populated to the offline pages of the devices
all connection map page switching is controlled by software
all offline pages are automatically synchronized with the online connection page
all working/protect link selection in SBS devices are controlled by hardware pin
quad 19.44MHz incoming bus
all timeslices are configured for LPT termination mode
Appendix D: Narrowband Chipset Initialization Profiles
Narrowband Chipset Device Driver Manual
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