82P2281PFG8 IDT, Integrated Device Technology Inc, 82P2281PFG8 Datasheet - Page 3

• Manufacturer Part Number: 82P2281PFG8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82P2281PFG8

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Package Type: TQFP
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

FEATURES ............................................................................................................................................................................ 12
APPLICATIONS..................................................................................................................................................................... 12
BLOCK DIAGRAM ................................................................................................................................................................ 13
1 PIN ASSIGNMENT ........................................................................................................................................................... 14
2 PIN DESCRIPTION .......................................................................................................................................................... 15
3 FUNCTIONAL DESCRIPTION ......................................................................................................................................... 21
Table of Contents
3.1 T1 / E1 / J1 MODE SELECTION ................................................................................................................................................................... 23
3.2 RECEIVER IMPEDANCE MATCHING .......................................................................................................................................................... 24
3.3 ADAPTIVE EQUALIZER ............................................................................................................................................................................... 27
3.4 DATA SLICER ............................................................................................................................................................................................... 27
3.5 CLOCK AND DATA RECOVERY ................................................................................................................................................................. 27
3.6 RECEIVE JITTER ATTENUATOR ................................................................................................................................................................ 28
3.7 DECODER ..................................................................................................................................................................................................... 29
3.8 FRAME PROCESSOR .................................................................................................................................................................................. 33
3.2.1
3.7.1
3.7.2
3.7.3
3.8.1
3.8.2
Line Monitor .................................................................................................................................................................................... 24
Line Code Rule ............................................................................................................................................................................... 29
3.7.1.1
3.7.1.2
Decode Error Detection ................................................................................................................................................................. 29
3.7.2.1
3.7.2.2
LOS Detection ................................................................................................................................................................................ 30
T1/J1 Mode ...................................................................................................................................................................................... 33
3.8.1.1
3.8.1.2
3.8.1.3
3.8.1.4
E1 Mode .......................................................................................................................................................................................... 40
3.8.2.1
3.8.2.2
3.8.2.3
T1 / J1 Mode .................................................................................................................................................................... 29
E1 Mode ........................................................................................................................................................................... 29
T1 / J1 Mode .................................................................................................................................................................... 29
E1 Mode ........................................................................................................................................................................... 29
Synchronization Searching ............................................................................................................................................... 33
3.8.1.1.1
3.8.1.1.2
3.8.1.1.3
3.8.1.1.4
Error Event And Out Of Synchronization Detection .......................................................................................................... 37
3.8.1.2.1
3.8.1.2.2
3.8.1.2.3
3.8.1.2.4
Overhead Extraction (T1 Mode SLC-96 Format Only) ..................................................................................................... 38
Interrupt Summary ............................................................................................................................................................ 38
Synchronization Searching ............................................................................................................................................... 42
3.8.2.1.1
3.8.2.1.2
3.8.2.1.3
Error Event And Out Of Synchronization Detection .......................................................................................................... 44
3.8.2.2.1
3.8.2.2.2
3.8.2.2.3
Overhead Extraction ......................................................................................................................................................... 45
3.8.2.3.1
3.8.2.3.2
Super Frame (SF) Format ............................................................................................................................. 33
Extended Super Frame (ESF) Format ........................................................................................................... 34
T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................ 35
Switch Line Carrier - 96 (SLC-96) Format (T1 only) ...................................................................................... 36
Super Frame (SF) Format ............................................................................................................................. 37
Extended Super Frame (ESF) Format ........................................................................................................... 37
T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................ 37
Switch Line Carrier - 96 (SLC-96) Format (T1 only) ...................................................................................... 37
Basic Frame .................................................................................................................................................. 42
CRC Multi-Frame ........................................................................................................................................... 43
CAS Signaling Multi-Frame ........................................................................................................................... 44
Out Of Basic Frame Synchronization ............................................................................................................ 45
Out Of CRC Multi-Frame Synchronization .................................................................................................... 45
Out Of CAS Signaling Multi-Frame Synchronization ..................................................................................... 45
International Bit Extraction ............................................................................................................................. 45
Remote Alarm Indication Bit Extraction ......................................................................................................... 45
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Table of Contents
August 20, 2009