PRELIMINARY
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
3.4.2.42 TDM Offset Value
Symbol:
ETDMO
Address Offset: 000A8h
Default Value: 00000080h
Access:
Read/Write
Determines TDM offset value.
Bits
Description
31:8
Reserved
Specifies TDM Offset Value. The number of cell times from the arrival of TDM sync from the
central scheduler to the recognition of the first time slot in the TDM table. Note that this value
must be identical in all ports participating in TDM traffic.
7:0
3.4.2.43 Freeze Control
Symbol: EFCTL
Address Offset: 000ACh
Default Value: 00000000h
Access:
Read/Write
Freezes TDM grants, requests and cells.
Bits
Description
31:6
5
Reserved
Freeze TDM grants from LCS Grant Manager. If this bit is 1, the LCS Grant Manager
sends no TDM grants to the linecard.
Freeze TDM Scheduler Requests. If this bit is 1, TDM input requests are not sent to the
Scheduler.
4
3
2
1
0
Freeze TDM cells from Output Scheduler. If this bit is 1, the Output Scheduler does not
schedule any TDM cells onto the output line.
Freeze MC/UC grants from LCS Grant Manager. If this bit is 1, the LCS Grant manager
sends no MC or UC grants to the linecard.
Freeze Scheduler Request Modulator. If this bit is 1, the SRM sends no MC or UC
requests to the scheduler.
Freeze MC/UC cells from Output Scheduler. If this bit is 1, the Output Scheduler does not
schedule any MC or UC cells onto the output line.
190
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PMC [ PMC-SIERRA, INC ]
