DS3177 datasheet(2/230 Pages) AD

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DS3177 DS3/E3 Single-Chip Transceiver

2 of 230

TABLE OF CONTENTS

DETAILED DESCRIPTION

BLOCK DIAGRAMS

APPLICATIONS

FEATURE DETAILS

4.1

GLOBAL FEATURES........................................................................................................................................ 13

4.2

RECEIVE DS3/E3 LIU FEATURES................................................................................................................... 13

4.3

JITTER ATTENUATOR FEATURES..................................................................................................................... 13

4.4

RECEIVE DS3/E3 FRAMER FEATURES............................................................................................................ 13

4.5

TRANSMIT DS3/E3 FORMATTER FEATURES.................................................................................................... 14

4.6

TRANSMIT DS3/E3 LIU FEATURES................................................................................................................. 14

4.7

CLOCK RATE ADAPTER FEATURES ................................................................................................................. 14

4.8

HDLC CONTROLLER FEATURES..................................................................................................................... 14

4.9

FEAC CONTROLLER FEATURES..................................................................................................................... 14

4.10 TRAIL TRACE BUFFER FEATURES ................................................................................................................... 15

4.11 BIT ERROR-RATE TESTER (BERT) FEATURES................................................................................................ 15

4.12 LOOPBACK FEATURES ................................................................................................................................... 15

4.13 MICROPROCESSOR INTERFACE FEATURES ..................................................................................................... 15

4.14 SLAVE SERIAL PERIPHERAL INTERFACE (SPI) FEATURES ................................................................................ 15

4.15 TEST FEATURES............................................................................................................................................ 15

STANDARDS COMPLIANCE

ACRONYMS AND GLOSSARY

MAJOR OPERATIONAL MODES

7.1

DS3/E3 FRAMED LIU MODE.......................................................................................................................... 18

7.2

DS3/E3 UNFRAMED LIU MODE...................................................................................................................... 20

7.3

DS3/E3 FRAMED POS/NEG MODE ............................................................................................................... 21

7.4

DS3/E3 UNFRAMED POS/NEG MODE........................................................................................................... 22

7.5

DS3/E3 FRAMED UNI MODE ......................................................................................................................... 23

7.6

DS3/E3 UNFRAMED UNI MODE ..................................................................................................................... 24

PIN DESCRIPTIONS

8.1

SHORT PIN DESCRIPTIONS............................................................................................................................. 25

8.2

DETAILED PIN DESCRIPTIONS......................................................................................................................... 27

8.3

PIN FUNCTIONAL TIMING................................................................................................................................ 37

8.3.1

Line IO.................................................................................................................................................. 37

8.3.2

DS3/E3 Framing Overhead Functional Timing .................................................................................... 40

8.3.3

DS3/E3 Serial Data Interface............................................................................................................... 41

8.3.4

Microprocessor Interface Functional Timing ........................................................................................ 43

8.3.5

JTAG Functional Timing....................................................................................................................... 50

INITIALIZATION AND CONFIGURATION

9.1

MONITORING AND DEBUGGING ....................................................................................................................... 52

10 FUNCTIONAL DESCRIPTION

10.1 PROCESSOR BUS INTERFACE......................................................................................................................... 53

10.1.1 SPI Serial Port Mode............................................................................................................................ 53

10.1.2 8/16 Bit Bus Widths.............................................................................................................................. 53

10.1.3 Ready Signal (

) ............................................................................................................................. 53

10.1.4 Byte Swap Modes ................................................................................................................................ 53

10.1.5 Read-Write/Data Strobe Modes........................................................................................................... 53

10.1.6 Clear on Read/Clear on Write Modes .................................................................................................. 53

10.1.7 Interrupt and Pin Modes....................................................................................................................... 54

10.1.8 Interrupt Structure ................................................................................................................................ 54

10.2 CLOCKS........................................................................................................................................................ 55

10.2.1 Line Clock Modes................................................................................................................................. 55

10.2.2 Sources of Clock Output Pin Signals ................................................................................................... 57

DS3177 Datasheet(PDF) 2 Page - Analog Devices

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