DS2153Q datasheet(2/60 Pages) MAXIM

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DS2153Q

2 of 60

TABLE OF CONTENTS

1 DETAILED DESCRIPTION....................................................................................................4

1.1

INTRODUCTION................................................................................................................................4

1.2

READER’S NOTE..............................................................................................................................4

2 PIN DESCRIPTION................................................................................................................6

2.1

DS2153Q REGISTER MAP...............................................................................................................8

3 PARALLEL PORT .................................................................................................................9

4 CONTROL AND TEST REGISTERS...................................................................................10

4.1

LOCAL LOOPBACK .........................................................................................................................17

4.2

REMOTE LOOPBACK ......................................................................................................................17

4.3

FRAMER LOOPBACK ......................................................................................................................17

4.4

AUTOMATIC ALARM GENERATION...................................................................................................17

4.5

POWER-UP SEQUENCE .................................................................................................................17

5 STATUS AND INFORMATION REGISTERS ......................................................................18

5.1

CRC4 SYNC COUNTER .................................................................................................................20

6 ERROR COUNT REGISTERS.............................................................................................26

6.1

BPV OR CODE VIOLATION COUNTER .............................................................................................26

6.2

CRC4 ERROR COUNTER...............................................................................................................27

6.3

E-BIT COUNTER ............................................................................................................................27

6.4

FAS BIT ERROR COUNTER............................................................................................................28

7 SA DATA LINK CONTROL AND OPERATION ..................................................................29

8 SIGNALING OPERATION...................................................................................................30

9 TRANSMIT IDLE REGISTERS............................................................................................32

CLOCK BLOCKING REGISTERS....................................................................................33

ELASTIC STORES OPERATION.....................................................................................35

ADDITIONAL (SA) AND INTERNATIONAL (SI) BIT OPERATION .................................36

LINE INTERFACE FUNCTIONS.......................................................................................39

13.1

RECEIVE CLOCK AND DATA RECOVERY.......................................................................................40

13.2

TRANSMIT WAVESHAPING AND LINE DRIVING ..............................................................................41

13.3

JITTER ATTENUATOR..................................................................................................................42

TIMING DIAGRAMS .........................................................................................................46

DC CHARACTERISTICS..................................................................................................52

AC CHARACTERISTICS..................................................................................................53

PACKAGE INFORMATION..............................................................................................60

17.1

44-PIN PLCC (56-G4003-001)..................................................................................................60

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