PM7385 Ver la hoja de datos (PDF) - PMC-Sierra

Número de pieza

componentes Descripción

Fabricante

PM7385

FRAME ENGINE AND DATALINK MANAGER 84A672

PMC-Sierra 

DATA SHEET

PMC-1990114

ISSUE 6

PM7385 FREEDM-84A672

84 LINK, 672 CHANNEL FRAME ENGINE AND DATA LINK MANAGER

WITH ANY-PHY PACKET INTERFACE

CONTENTS

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

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

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

4 BLOCK DIAGRAM....................................................................................5

5 DESCRIPTION .........................................................................................6

6 PIN DIAGRAM ..........................................................................................9

7 PIN DESCRIPTION ................................................................................10

8 FUNCTIONAL DESCRIPTION................................................................39

8.1 SCALEABLE BANDWIDTH INTERCONNECT (SBI) INTERFACE39

8.2 HIGH-LEVEL DATA LINK CONTROL (HDLC) PROTOCOL.........40

8.3 SBI EXTRACTER AND PISO.......................................................41

8.4 RECEIVE CHANNEL ASSIGNER ................................................41

8.4.1 Line Interface .................................................................43

8.4.2 Priority Encoder .............................................................44

8.4.3 Channel Assigner ..........................................................44

8.4.4 Loopback Controller.......................................................44

8.5 RECEIVE HDLC PROCESSOR / PARTIAL PACKET BUFFER ...44

8.5.1 HDLC Processor............................................................45

8.5.2 Partial Packet Buffer Processor .....................................45

8.6 RECEIVE ANY-PHY INTERFACE ................................................47

8.6.1 FIFO Storage and Control..............................................48

8.6.2 Polling Control and Management...................................49

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

Share Link: