Microchip VSC8490 Bruksanvisning

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ENT-AN1005
Application Note
IEEE 1588v2 Support in the Microsemi PHY API
Released
2016
IEEE 1588v2 Support in the Microsemi PHY API
VPPD-02802 ENT-AN1005 Application Note Revision 1.1
Contents
1 Revision History ............................................................................................................................. 1
1.1 Revision 1.1 ........................................................................................................................................
1.2 Revision 1.0 ........................................................................................................................................
2 IEEE 1588v2 Support in the Microsemi PHY API ............................................................................ 2
3 Feature Description ....................................................................................................................... 3
4 Functional Description ................................................................................................................... 7
4.1 FIFO .....................................................................................................................................................
4.1.1 Enable ...................................................................................................................................................... 7
4.1.2 FIFO Overflow_Underflow Indication ...................................................................................................... 7
4.2 Analyzer ..............................................................................................................................................
4.2.1 Enable_Disable ........................................................................................................................................ 7
4.2.2 Encapsulation Protocol(s) ........................................................................................................................ 7
4.2.3 Application Protocol(s) and Modes ......................................................................................................... 7
4.2.4 Operation Mode ...................................................................................................................................... 8
4.2.5 FrameSignature ..................................................................................................................................... 12
4.3 Timestamp Block .............................................................................................................................. 1
4.3.1 LocalLatency .......................................................................................................................................... 13
4.3.2 PathDelay .............................................................................................................................................. 13
4.3.3 DelayAsymmetry ................................................................................................................................... 14
4.3.4 Correction Field Overflow Indication .................................................................................................... 14
4.4 LocalTimeCounter ............................................................................................................................. 14
4.4.1 PtpTime ................................................................................................................................................. 14
4.4.2 SavedPtpTime ........................................................................................................................................ 14
4.4.3 LocalClockAdjustment ........................................................................................................................... 15
4.4.4 LocalClockIncrementDecrement ........................................................................................................... 15
4.4.5 LocalClockFrequency ............................................................................................................................. 15
4.5 Rewriter ............................................................................................................................................ 1
4.5.1 PreambleShrink ..................................................................................................................................... 15
4.5.2 StatisticCounters ................................................................................................................................... 15
4.6 TimestampFIFO ................................................................................................................................. 1
4.6.1 TxTimestampMode ............................................................................................................................... 15
4.6.2 TxTimestamps ....................................................................................................................................... 15
4.6.3 TxTimestampFifo Not Empty Indication ................................................................................................ 16
4.6.4 TxTimestampFifo Overflow Indication .................................................................................................. 16
4.6.5 TxTimestampFifo AgeTime .................................................................................................................... 16
4.6.6 RxTimestamp ......................................................................................................................................... 16
4.6.7 RxTimestampMode ............................................................................................................................... 16
IEEE 1588v2 Support in the Microsemi PHY API
VPPD-02802 ENT-AN1005 Application Note Revision 1.1
4.7 Module Bring-Up .............................................................................................................................. 1
4.7.1 Cold_Warm Restart ............................................................................................................................... 16
4.8 Other Functions ................................................................................................................................ 1
4.9 Control Module (PTP Engine) ........................................................................................................... 16
4.9.1 Module Management ............................................................................................................................ 17
4.9.2 ClockRate Management ........................................................................................................................ 17
4.9.3 Multiple Timing Domain Support .......................................................................................................... 19
4.9.4 CLI .......................................................................................................................................................... 19
4.10 Distributed Control Module ........................................................................................................... 19

Produktspecifikationer

Varumärke: Microchip
Kategori: Inte kategoriserad
Modell: VSC8490

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