PM7326 Datasheet, PDF (10/238 Pages) PMC-Sierra, Inc – ATM/PACKET Traffic Manager and Switch

DATA SHEET
PMC-1981224
ISSUE 6
PM7326 S/UNI APEX
ATM/PACKET TRAFFIC MANAGER AND SWITCH
LIST OF FIGURES
FIGURE 1 - S/UNI APEX BLOCK WITH DATAPATH .......................................11
FIGURE 2 - S/UNI APEX BOTTOM VIEW PIN OUT....................................... 16
FIGURE 3 - 16BIT RECEIVE CELL TRANSFER FORMAT............................. 48
FIGURE 4 - 8-BIT RECEIVE CELL TRANSFER FORMAT ............................. 49
FIGURE 5 - 16-BIT TRANSMIT CELL TRANSFER FORMAT ......................... 51
FIGURE 6 - 8-BIT TRANSMIT CELL TRANSFER FORMAT ........................... 52
FIGURE 7 - I960 (80960CF) INTERFACE....................................................... 60
FIGURE 8 - POWERPC (MPC860) INTERFACE............................................ 60
FIGURE 9 - SAR ASSIST TRANSMIT CELL TRANSFER FORMAT............... 63
FIGURE 10- SAR ASSIST RECEIVE CELL TRANSFER FORMAT ................. 64
FIGURE 11 - SERVICE ARBITRATION HIERARCHY ...................................... 66
FIGURE 12- QUEUE LINKED LIST STRUCTURE .......................................... 67
FIGURE 13- TRAFFIC SHAPING ON THE WAN PORT .................................. 71
FIGURE 14- NON-INTEGER SHPINCR........................................................... 72
FIGURE 15- THRESHOLDS AND COUNT DEFINITIONS............................... 76
FIGURE 16- EPD/PPD CONGESTION DISCARD RULES .............................. 79
FIGURE 17 CELL CONGESTION DISCARD RULES ...................................... 80
FIGURE 18 FCQ DISCARD RULES ................................................................ 81
FIGURE 19- 1 BANK CONFIGURATION FOR 1MB OF ZBT SSRAM ............. 85
FIGURE 20- 1 BANK CONFIGURATION FOR 1MB OF LATE WRITE SSRAM86
FIGURE 21- 2 BANK CONFIGURATION FOR 2MB OF ZBT SSRAM ............. 87
FIGURE 22- 2 BANK CONFIGURATION FOR 2MB OF LATE WRITE SSRAM88
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
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