PM7326-BI View Datasheet(PDF) - PMC-Sierra
Part Name
Description
Manufacturer
PM7326-BI Datasheet PDF : 238 Pages
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DATA SHEET
PMC-1981224
11
PM7326 S/UNI APEX
ISSUE 6
ATM/PACKET TRAFFIC MANAGER AND SWITCH
10.1 ANY-PHY INTERFACES ............................................................. 48
10.1.1 RECEIVE INTERFACE..................................................... 48
10.1.2 TRANSMIT INTERFACE .................................................. 50
10.2 LOOP PORT SCHEDULER ........................................................ 53
10.3 WAN PORT SCHEDULER .......................................................... 54
10.4 WAN PORT ALIASING................................................................ 56
10.5 WAN AND LOOP ICI SELECTION.............................................. 57
10.6 MICROPROCESSOR INTERFACE ............................................ 57
10.7 MEMORY PORT ......................................................................... 61
10.8 SAR ASSIST ............................................................................... 62
10.8.1 TRANSMIT ....................................................................... 62
10.8.2 RECEIVE.......................................................................... 63
10.9 QUEUE ENGINE......................................................................... 64
10.9.1 SERVICE ARBITRATION ................................................. 65
10.9.2 CELL QUEUING ............................................................... 66
10.9.3 CLASS SCHEDULING ..................................................... 73
10.9.4 CONGESTION CONTROL ............................................... 75
10.9.5 STATISTICS ..................................................................... 82
10.9.6 MICROPROCESSOR QUEUE BUFFER RE-
ALLOCATION/TEAR DOWN ............................................ 84
10.10 CONTEXT MEMORY SSRAM INTERFACE ............................... 84
10.11 CELL BUFFER SDRAM INTERFACE ......................................... 89
10.12 JTAG TEST ACCESS PORT....................................................... 93
PERFORMANCE ................................................................................... 94
11.1 THROUGHPUT ........................................................................... 94
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
ii
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