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ADN4612

11.3 Gbps, 12 × 12 Digital Crosspoint Switch

Analog Devices 

ADN4612

Data Sheet

TABLE OF CONTENTS

Features .............................................................................................. 1

Register Descriptions ..................................................................... 47

Applications....................................................................................... 1

Software Reset Register ............................................................. 47

Functional Block Diagram .............................................................. 1

Tx Enable Control Registers ..................................................... 47

General Description ......................................................................... 1

Tx Reference Enable Register ................................................... 48

Revision History ............................................................................... 3

Squelch Control Register........................................................... 48

Specifications..................................................................................... 4

Rx and Tx Swap Sign Registers................................................. 48

Input/Output Specifications........................................................ 4

XPT Broadcast Lane Number Register ................................... 50

Power Supply and Thermal Specifications................................ 5

Tx 0 Driver Control Registers .................................................. 50

Electrical Specifications—Control Logic Pins.......................... 6

Tx 0 Driver Enable Registers .................................................... 52

I2C Master and Slave Timing Specifications ............................. 6

Tx 0 Driver Resolution Registers ............................................. 53

SPI Timing Specifications ........................................................... 7

Tx 1 Driver Control Registers .................................................. 53

EEPROM Master I2C Timing Specifications ............................ 8

Tx 1 Driver Enable Registers .................................................... 53

RESET Timing Specifications ..................................................... 9

Tx 1 Driver Resolution Registers ............................................. 53

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 13

Standard Test ............................................................................... 17

Equalization Test ........................................................................ 18

Preemphasis Test ........................................................................ 20

Test Circuits..................................................................................... 22

Theory of Operation ...................................................................... 23

Introduction ................................................................................ 23

Receivers ...................................................................................... 24

Switch Core ................................................................................. 26

Transmitters ................................................................................ 27

Preemphasis/Deemphasis Support for Legacy Rates............. 33

Load from Memory.................................................................... 34

I2C Serial Control Interface ........................................................... 37

I2C Data Write............................................................................. 37

I2C Data Read.............................................................................. 38

SPI Serial Control Interface........................................................... 39

Write Operation.......................................................................... 39

Read Operation........................................................................... 39

Applications Information .............................................................. 40

Applications Circuit ................................................................... 41

Power Consumption .................................................................. 41

Printed Circuit Board (PCB) Layout Guidelines ................... 42

Register Map.................................................................................... 44

Tx 2 Driver Control Registers .................................................. 54

Tx 2 Driver Enable Registers .................................................... 54

Tx 2 Driver Resolution Registers ............................................. 54

Tx 3 Driver Control Registers .................................................. 54

Tx 3 Driver Enable Registers .................................................... 54

Tx 3 Driver Resolution Registers ............................................. 54

Tx 4 Driver Control Registers .................................................. 54

Tx 4 Driver Enable Registers .................................................... 54

Tx 4 Driver Resolution Registers ............................................. 55

Tx 5 Driver Control Registers .................................................. 55

Tx 5 Driver Enable Registers .................................................... 55

Tx 5 Driver Resolution Registers ............................................. 55

Tx 6 Driver Control Registers .................................................. 55

Tx 6 Driver Enable Registers .................................................... 55

Tx 6 Driver Resolution Registers ............................................. 55

Tx 7 Driver Control Registers .................................................. 55

Tx 7 Driver Enable Registers .................................................... 55

Tx 7 Driver Resolution Registers ............................................. 56

Tx 8 Driver Control Registers .................................................. 56

Tx 8 Driver Enable Registers .................................................... 56

Tx 8 Driver Resolution Registers ............................................. 56

Tx 9 Driver Control Registers .................................................. 56

Tx 9 Driver Enable Registers .................................................... 56

Tx 9 Driver Resolution Registers ............................................. 56

Tx 10 Driver Control Registers ................................................ 56

Tx 10 Driver Enable Registers .................................................. 56

Tx 10 Driver Resolution Registers ........................................... 57

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