I347-AT4 Datasheet, PDF (7/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

Contents — I347-AT4
3.7.1 10/100/1000BASE-T Auto-Negotiation................................................... 30
3.8 Downshift Feature ............................................................................................... 31
3.9 Fast 1000BASE-T Link Down Indication ............................................................. 31
3.10 Cable Tester........................................................................................................ 32
3.10.1 Maximum Peak....................................................................................... 33
3.10.2 First Peak ............................................................................................... 34
3.10.3 Offset...................................................................................................... 35
3.10.4 Sample Point .......................................................................................... 35
3.10.5 Pulse Amplitude and Pulse Width .......................................................... 36
3.10.6 Drop Link ................................................................................................ 36
3.10.7 Cable Test with Link Up ......................................................................... 36
3.11 Data Terminal Equipment (DTE) Detect.............................................................. 36
3.12 CRC Error Counter and Frame Counter.............................................................. 37
3.12.1 Enabling The CRC Error Counter and Frame Counter .......................... 37
3.13 Packet Generator ................................................................................................ 38
3.14 RX_ER Byte Capture .......................................................................................... 38
3.15 MDI/MDIX Crossover .......................................................................................... 39
3.16 Unidirectional Transmit........................................................................................ 40
3.17 Polarity Correction............................................................................................... 40
3.18 FLP Exchange Complete with No Link................................................................ 41
3.18.1 Behavior in Various Low Power States .................................................. 43
3.18.2 Serial LED ..............................................................................................44
3.19 IEEE 1149.1 and 1149.6 Controller..................................................................... 45
3.19.1 BYPASS Instruction ............................................................................... 46
3.19.2 SAMPLE/PRELOAD Instruction ............................................................. 46
3.19.3 EXTEST Instruction................................................................................ 50
3.19.4 The CLAMP Instruction .......................................................................... 50
3.19.5 The HIGH-Z Instruction .......................................................................... 50
3.19.6 ID CODE Instruction............................................................................... 50
3.19.7 EXTEST_PULSE Instruction .................................................................. 51
3.19.8 EXTEST_TRAIN Instruction ................................................................... 51
3.19.9 AC-JTAG Fault Detection....................................................................... 51
3.20 Interrupt ............................................................................................................... 54
3.21 Configuring The I347-AT4 ................................................................................... 54
3.21.1 Hardware Configuration ......................................................................... 55
3.21.2 Configuration Mapping ........................................................................... 56
3.21.3 Software Configuration - Management Interface.................................... 56
3.22 Reference Clock.................................................................................................. 58
3.23 Temperature Sensor ........................................................................................... 58
3.24 Power Supplies ................................................................................................... 59
3.24.1 AVDDH................................................................................................... 59
3.24.2 VDDC ..................................................................................................... 59
3.24.3 DVDD ..................................................................................................... 59
3.24.4 VDDOL ................................................................................................... 59
3.24.5 VDDOR .................................................................................................. 60
3.24.6 VDDOM .................................................................................................. 60
3.24.7 Power Supply Sequencing ..................................................................... 60
3.25 Clocking Support ................................................................................................. 60
3.25.1 Recovered Clock .................................................................................... 60
3.25.2 Reference Clock Select.......................................................................... 61
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