PM8621 datasheet(4/184 Pages) PMC

4 / 184 page

NSE-8G™ Standard Product Data Sheet

Preliminary

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

Document ID: PMC-2010850, Issue 1

Table of Contents

Features..................................................................................................................... 11

Applications ...............................................................................................................12

References ................................................................................................................13

Application Examples ................................................................................................14

Block Diagram ...........................................................................................................17

Description.................................................................................................................19

Pin Diagram ...............................................................................................................20

Pin Description...........................................................................................................24

8.1

Pin Description Table ........................................................................................24

8.2

Analog Power Filtering Recommendations.......................................................38

Functional Description ...............................................................................................40

9.1

LVDS Overview .................................................................................................40

9.1.1

LVDS Receiver (RXLV) ........................................................................41

9.1.2

LVDS Transmitter (TXLV).....................................................................41

9.1.3

LVDS Transmit Reference (TXREF) ....................................................41

9.1.4

Data Recovery Unit (DRU) ...................................................................42

9.1.5

Parallel to Serial Converter (PISO) ......................................................42

9.1.6

Clock Synthesis Unit (CSU) .................................................................42

9.2

Receive 8B/10B Frame Aligner (R8TD)............................................................42

9.2.1

FIFO Buffer...........................................................................................42

9.3

Transmit 8B/10B Encoder (T8TE).....................................................................43

9.3.1

SBI336S 8B/10B Character Encoding .................................................43

9.3.2

Serial TelecomBus 8B/10B Character Encoding..................................44

9.3.3

Serial SBI336S and TelecomBus Alignment ........................................46

9.3.4

Character Alignment Block...................................................................46

9.3.5

Frame Alignment ..................................................................................47

9.3.6

SBI336S Multiframe Alignment ............................................................49

9.4

DS0 Cross Bar switch (DCB) ............................................................................49

9.5

Clock Synthesis and Transmit Reference Digital Wrapper (CSTR)..................50

9.6

Fabric Latency...................................................................................................50

9.7

JTAG Support....................................................................................................50

9.8

Microprocessor Interface ..................................................................................50

9.9

In-band Link Controller (ILC).............................................................................51

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