PM7364-BI Ver la hoja de datos (PDF) - PMC-Sierra

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Fabricante

PM7364-BI

FRAME ENGINE AND DATALINK MANAGER

PMC-Sierra 

RELEASED

DATA SHEET

PMC-1960758

ISSUE 6

PM7364 FREEDM-32

FRAME ENGINE AND DATA LINK MANAGER

CONTENTS

1 FEATURES...............................................................................................1

2 APPLICATIONS........................................................................................3

3 REFERENCES .........................................................................................4

4 APPLICATION EXAMPLES ......................................................................5

5 BLOCK DIAGRAM....................................................................................6

6 DESCRIPTION .........................................................................................7

7 PIN DIAGRAM ..........................................................................................9

8 PIN DESCRIPTION ................................................................................10

9 FUNCTIONAL DESCRIPTION ...............................................................31

9.1 HIGH-LEVEL DATA LINK CONTROL PROTOCOL......................31

9.2 RECEIVE CHANNEL ASSIGNER ................................................32

9.2.1 LINE INTERFACE..........................................................33

9.2.2 PRIORITY ENCODER ...................................................33

9.2.3 CHANNEL ASSIGNER ..................................................33

9.2.4 LOOPBACK CONTROLLER .........................................34

9.3 RECEIVE HDLC PROCESSOR / PARTIAL PACKET BUFFER...34

9.3.1 HDLC PROCESSOR .....................................................34

9.3.2 PARTIAL PACKET BUFFER PROCESSOR ..................35

9.4 RECEIVE DMA CONTROLLER ...................................................37

9.4.1 DATA STRUCTURES ....................................................37

9.4.2 DMA TRANSACTION CONTROLLER...........................47

9.4.3 WRITE DATA PIPELINE/MUX .......................................47

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMER’S INTERNAL USE ii

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