PM7341 Datasheet, PDF (9/413 Pages) PMC-Sierra, Inc – S/UNI INVERSE MULTIPLEXING FOR ATM, 84 LINKS

PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATASHEET
PMC-2000223
ISSUE 4
PM7341 S/UNI-IMA-84
INVERSE MULTIPLEXING OVER ATM
LIST OF FIGURES
FIGURE 1 - ATM EDGE SWITCH IMA AND UNI PORT CARD EXAMPLE ..... 33
FIGURE 2 - ATM MULTISERVICE SWITCH, ANY SERVICE ANY PORT CARD
EXAMPLE 34
FIGURE 3 - S/UNI-IMA-84 BLOCK DIAGRAM................................................ 35
FIGURE 4 - S/UNI-IMA PINOUT (BOTTOM VIEW)......................................... 40
FIGURE 5 - 16-BIT TRANSMIT CELL TRANSFER FORMAT ......................... 74
FIGURE 6 - 8-BIT TRANSMIT CELL TRANSFER FORMAT ........................... 74
FIGURE 7 - 16-BIT RECEIVE CELL TRANSFER FORMAT............................ 78
FIGURE 8 - 8-BIT RECEIVE CELL TRANSFER FORMAT.............................. 78
FIGURE 9 - INVERSE MULTIPLEXING .......................................................... 82
FIGURE 10- MAX DIFFERENTIAL DELAY TOLERANCE VS. SDRAM SIZE .. 88
FIGURE 11 - IFSM STATE MACHINE............................................................... 89
FIGURE 12- STUFF EVENT WITH ERRORED ICP (ADVANCED INDICATION)
91
FIGURE 13- INVALID STUFF SEQUENCE (ADVANCED INDICATION) ......... 91
FIGURE 14- ERRORED/INVALID ICP CELLS IN PROXIMITY TO A STUFF
EVENT 92
FIGURE 15- SNAPSHOT OF DCB BUFFERS ................................................. 93
FIGURE 16- SNAPSHOT OF DCB BUFFERS AFTER ADDITION OF LINK WITH
SMALLER TRANSPORT DELAY...................................................................... 94
FIGURE 17- SNAPSHOT OF DCB BUFFERS WHEN TRYING TO ADD LINK
WITH LARGER TRANSPORT DELAY.............................................................. 95
FIGURE 18- SNAPSHOT OF DCB BUFFERS AFTER DELAY ADJUSTMENT 96
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
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