PM73123-PI データシートの表示（PDF） - PMC-Sierra

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PM73123-PI

8 LINK CES/DBCES ATM ADAPTATION LAYER 1 (AAL1) SEGMENTATION AND REASSEMBLY PROCESSOR

PMC-Sierra 

RELEASED

DATASHEET

PMC-2000097

ISSUE 2

PM73123 AAL1GATOR-8

8 LINK CES/DBCES AAL1 SAR

CONTENTS

1 FEATURES ............................................................................................ 20

2 APPLICATIONS ..................................................................................... 26

3 REFERENCES....................................................................................... 27

4 APPLICATION EXAMPLES ................................................................... 29

4.1 INTEGRATED ACCESS DEVICE................................................ 29

4.2 ATM PASSIVE OPTICAL NETWORKS (APON).......................... 30

5 BLOCK DIAGRAM ................................................................................. 31

6 DESCRIPTION....................................................................................... 32

7 PIN DIAGRAM........................................................................................ 33

8 PIN DESCRIPTION................................................................................ 35

9 FUNCTIONAL DESCRIPTION ............................................................... 64

9.1 UTOPIA INTERFACE BLOCK (UI) .............................................. 64

9.1.1 UTOPIA SOURCE INTERFACE (SRC_INTF)................... 66

9.1.2 UTOPIA SINK INTERFACE (SNK_INTF).......................... 69

9.1.3 UTOPIA MUX BLOCK (UMUX)......................................... 72

9.2 AAL1 SAR PROCESSING BLOCK (A1SP)................................. 73

9.2.1 AAL1 SAR TRANSMIT SIDE (TXA1SP) ........................... 75

9.2.2 AAL1 SAR RECEIVE SIDE (RXA1SP) ........................... 102

9.3 AAL1 CLOCK GENERATION CONTROL ................................. 137

9.3.1 DESCRIPTION ............................................................... 137

9.3.2 CGC BLOCK DIAGRAM ................................................. 139

9.3.3 FUNCTIONAL DESCRIPTION........................................ 139

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

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