LXT6155 datasheet(3/50 Pages) INTEL

tên linh kiện	LXT6155

Giải thích chi tiết về linh kiện	155 Mbps SDH/SONET/ATM Transceiver

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nhà sản xuất	INTEL [Intel Corporation]

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Datasheet

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155 Mbps SDH/SONET/ATM Transceiver — LXT6155

Contents

1.0

Pin Assignments and Signal Descriptions ......................................................8

2.0

Functional Description...........................................................................................13

2.1

Transmitter .......................................................................................................... 13

2.1.1

Transmitted Signal ................................................................................. 13

2.1.1.1 Fiber Based G.957/GR-253 Transmission Systems ................. 13

2.1.2

Coax Based G.703/GR-253 Transmission Systems .............................. 13

2.1.2.1 CMI Encoding ............................................................................ 14

2.1.3

Tx Clock Monitoring................................................................................ 14

2.2

Receiver .............................................................................................................. 14

2.2.1

Analog Front End and Timing Recovery ................................................ 14

2.2.1.1 CMI Mode .................................................................................. 14

2.2.1.2 NRZ Mode ................................................................................. 15

2.2.2

Receive Frame Detect and Byte Alignment ........................................... 15

2.2.2.1 Loss of Signal (LOS) ................................................................. 16

2.2.2.2 Coax Interface ........................................................................... 16

2.2.2.3 Fiber Interface ........................................................................... 16

2.3

Clocks.................................................................................................................. 18

2.3.1

Parallel Mode ......................................................................................... 18

2.3.1.1 Transmit Parallel Input Clock (TPICLK) .................................... 18

2.3.1.2 Receive Parallel Output Clock (RPOCLK) ................................ 18

2.3.2

Serial Mode ............................................................................................18

2.3.2.1 Transmit Serial Input Clock (TSICLKP/TSICLKN).....................18

2.3.2.2 Receive Serial Output Clock (RSOCLKP/RSOCLKN) ..............18

2.3.3

Crystal Reference Clock (XTALIN/XTALOUT) ....................................... 19

2.4

Jitter..................................................................................................................... 19

2.4.1

Jitter Tolerance....................................................................................... 19

2.4.2

Jitter Generation (Intrinsic Jitter) ............................................................ 19

2.4.3

Jitter Transfer ......................................................................................... 19

2.5

Operational Modes .............................................................................................. 19

2.5.1

Hardware Mode ...................................................................................... 20

2.5.1.1 PLL Clock Reference (CIS pin) ................................................. 20

2.5.1.2 Loopback Test (RLIS and LLIS pins) ........................................21

2.5.1.3 Line Interface Selection (MODE Pin) ........................................21

2.5.1.4 Parallel/Serial Mode Selection (SP pin) .................................... 21

2.5.1.5 Tx Amplitude Trim ..................................................................... 21

2.5.2

Software Mode ....................................................................................... 22

2.5.2.1 Serial Input Clock (SCLK) ......................................................... 22

2.5.2.2 Chip Select Input (CS)............................................................... 22

2.5.2.3 Serial Input Word (SDI) ............................................................. 22

2.5.2.4 Serial Output Word (SDO)......................................................... 22

2.6

Serial System Interface ....................................................................................... 23

2.7

Parallel System Interface .................................................................................... 23

2.8

Loopback Modes .................................................................................................24

2.8.1

Local Loopback ...................................................................................... 24

2.8.2

Remote Loopback .................................................................................. 25

Số phần tương tự - LXT6155

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Intel Corporation	LXT6234	327Kb / 24P	E-Rate Multiplexer

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