PM73122 Просмотр технического описания (PDF) - PMC-Sierra

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PM73122

ATM ADAPTATION LAYER 1 SEGMENTATION AND REASSEMBLY PROCESSOR-32

PMC-Sierra 

RELEASED

DATASHEET

PMC-1981419

ISSUE 7

PM73122 AAL1GATOR-32

32 LINK CES/DBCES AAL1 SAR PROCESSOR

CONTENTS

1 CHANGES FROM REV. A TO REV. B ..................................................... 1

2 CHANGES FROM REV B TO REV C ...................................................... 2

3 FEATURES .............................................................................................. 3

4 APPLICATIONS ....................................................................................... 9

5 REFERENCES....................................................................................... 10

6 APPLICATION EXAMPLES ....................................................................11

6.1 ATM MULTI-SERVICE SWITCH ..................................................11

6.2 PASSIVE OPTICAL NETWORK (PON) SYSTEM....................... 12

6.3 DIGITAL ACCESS CROSS-CONNECT SYSTEM (DACS) WITH AN

ATM INTERFACE........................................................................ 13

7 BLOCK DIAGRAM ................................................................................. 14

8 DESCRIPTION ...................................................................................... 15

9 PIN DIAGRAM ....................................................................................... 16

10 PIN DESCRIPTION................................................................................ 17

10.1 UTOPIA INTERFACE SIGNALS (52) .......................................... 17

10.2 MICROPROCESSOR INTERFACE SIGNALS (43)..................... 26

10.3 RAM 1 INTERFACE SIGNALS(41) ............................................. 28

10.4 LINE INTERFACE SIGNALS(DIRECT LOW SPEED)(132) ........ 31

10.5 LINE INTERFACE SIGNALS(H-MVIP)(37) ................................. 36

10.6 SBI INTERFACE SIGNALS (ONLY USED IN SBI MODE)(64).... 38

10.7 LINE INTERFACE SIGNALS(HIGH SPEED)(10)........................ 45

10.8 RAM 2 INTERFACE SIGNALS (ONLY USED IN H-MVIP, HS, AND

SBI MODES)(41)......................................................................... 46

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

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