PM7326-BI View Datasheet(PDF) - PMC-Sierra

Part Name

Description

Manufacturer

PM7326-BI

ATM/PACKET TRAFFIC MANAGER AND SWITCH

PMC-Sierra 

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

viii

Share Link: