IDT82P2288(2009) データシートの表示（PDF） - Integrated Device Technology
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IDT82P2288 Datasheet PDF : 362 Pages
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Table of Contents
TABLE OF CONTENTS ........................................................................................................................................................... 3
LIST OF TABLES .................................................................................................................................................................... 7
LIST OF FIGURES ................................................................................................................................................................... 9
FEATURES ............................................................................................................................................................................ 11
APPLICATIONS ..................................................................................................................................................................... 11
BLOCK DIAGRAM ................................................................................................................................................................ 12
1 PIN ASSIGNMENT .......................................................................................................................................................... 13
2 PIN DESCRIPTION ......................................................................................................................................................... 14
3 FUNCTIONAL DESCRIPTION ........................................................................................................................................ 22
3.1 T1 / E1 / J1 MODE SELECTION .................................................................................................................................................................. 23
3.2 RECEIVER IMPEDANCE MATCHING ......................................................................................................................................................... 24
3.2.1 Line Monitor .................................................................................................................................................................................... 24
3.3 ADAPTIVE EQUALIZER .............................................................................................................................................................................. 27
3.4 DATA SLICER .............................................................................................................................................................................................. 27
3.5 CLOCK AND DATA RECOVERY ................................................................................................................................................................ 27
3.6 RECEIVE JITTER ATTENUATOR ............................................................................................................................................................... 27
3.7 DECODER .................................................................................................................................................................................................... 29
3.7.1 Line Code Rule ............................................................................................................................................................................... 29
3.7.1.1 T1 / J1 Mode .................................................................................................................................................................... 29
3.7.1.2 E1 Mode ........................................................................................................................................................................... 29
3.7.2 Decode Error Detection ................................................................................................................................................................. 29
3.7.2.1 T1 / J1 Mode .................................................................................................................................................................... 29
3.7.2.2 E1 Mode ........................................................................................................................................................................... 29
3.7.3 LOS Detection ................................................................................................................................................................................ 31
3.8 FRAME PROCESSOR ................................................................................................................................................................................. 34
3.8.1 T1/J1 Mode ...................................................................................................................................................................................... 34
3.8.1.1 Synchronization Searching ............................................................................................................................................... 34
3.8.1.2 Error Event And Out Of Synchronization Detection .......................................................................................................... 38
3.8.1.3 Overhead Extraction (T1 Mode SLC-96 Format Only) ..................................................................................................... 39
3.8.1.4 Interrupt Summary ............................................................................................................................................................ 39
3.8.2 E1 Mode .......................................................................................................................................................................................... 42
3.8.2.1 Synchronization Searching ............................................................................................................................................... 44
3.8.2.2 Error Event And Out Of Synchronization Detection .......................................................................................................... 47
3.8.2.3 Overhead Extraction ......................................................................................................................................................... 48
3.8.2.4 V5.2 Link .......................................................................................................................................................................... 48
3.8.2.5 Interrupt Summary ............................................................................................................................................................ 48
3.9 PERFORMANCE MONITOR ........................................................................................................................................................................ 53
3.9.1 T1/J1 Mode ...................................................................................................................................................................................... 53
3.9.2 E1 Mode .......................................................................................................................................................................................... 56
3.10 ALARM DETECTOR .................................................................................................................................................................................... 58
3.10.1 T1/J1 Mode ...................................................................................................................................................................................... 58
3.10.2 E1 Mode .......................................................................................................................................................................................... 60
3.11 HDLC RECEIVER ......................................................................................................................................................................................... 61
3.11.1 HDLC Channel Configuration ........................................................................................................................................................ 61
3.11.2 HDLC Mode ..................................................................................................................................................................................... 61
3.11.2.1 HDLC Mode ...................................................................................................................................................................... 61
Table of Contents
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March 04, 2009
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