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PM9313 Datasheet(PDF) 49 Page - PMC-Sierra, Inc

Part # PM9313
Description  ENHANCED TT1??SWITCH FABRIC
PDF  343 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM9313 Datasheet(HTML) 49 Page - PMC-Sierra, Inc

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PM9311/2/3/5 ETT1™ CHIP SET
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
Released
Data Sheet
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
45
PMC-Sierra, Inc.
Figure 17. The Four Priorities
1.3.3.4
Multiplexing Scheduler Requests and Grants.
Figure 16 and Figure 17 imply that the ETT1 Scheduler can accept requests from each of the 32 ports
where a request specifies one of 128 output channels. This is not the case; the Scheduler only maintains
information on a port basis, not a subport basis.
2
0
0,0
1b
3
1c
7
1d
0
32d
5
2
1a
1b
2
32d
0
12
1a
1b
7
32d
15
8
1a
1b
3
32d
OC-48c a
OC-48c b
OC-48c c
OC-48c d
Priority 3
1a
1b
1c
1d
2a
2b
2c
2d
32a
32d
32b
32c
2
0
0,0
1b
3
1c
7
1d
0
32d
5
2
1a
1b
2
32d
0
12
1a
1b
7
32d
15
8
1a
1b
3
32d
OC-48 a
OC-48 b
OC-48 c
OC-48 d
Priority 2
1a
1b
1c
1d
2a
2b
2c
2d
32a
32d
32b
32c
2
0
0,0
1b
3
1c
7
1d
0
32d
5
2
1a
1b
2
32d
0
12
1a
1b
7
32d
15
8
1a
1b
3
32d
OC-48 a
OC-48 b
OC-48 c
OC-48 d
Priority 1
1a
1b
1c
1d
2a
2b
2c
2d
32a
32d
32b
32c
2
0
0,0
0,1
3
0,2
7
0,3
0
31,3
5
2
0,0
0,1
2
31,3
0
12
1a
1b
7
32d
15
8
1a
1b
3
32d
OC-48c 0
OC-48c 1
OC-48c 2
OC-48c 3
Priority 0
0,0
0,1
0,2
0,3
1,0
1,1
1,2
1,3
31,0
31,3
31,1
31,2



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