Pico Communications E-14 Manuale Utente Scaricare il pdf (Pagina 10)

E‐14HardwareReferenceManual www.picocomputing.com PicoComputing,Inc.







Tri‐ModeEthernetInterface



ThePicoE‐14featurestheMarvellAlaskaseries88E1111tri‐modeEthernettransceiver.OnEPseries

partstheMAC(Middleaccesscontroller)isimplementedontheFPGAdie.OnLOseriespartstheMAC

mustbeimplementedinfirmware.CommunicationbetweentheMACandPHYtakesplaceoveran

industry

standardMII/GMIIinterface.



TheEthernettransceiverfeatures10/100/1000full/halfduplexoperation.Itwillautomatically

configurethephysicalinterfaceontheflyforcrossoverorstraightthroughoperation.ThePHYcan

evenautomaticallycorrectforcommonwiringmistakes.ThePHYhasabuiltinTimeDomain

Reflectometerthatcandiagnosecable

problemsandpinpointtheirdistanceawayfromthe

transceiver.



IncontrasttothePicoE‐12,theEthernetinterfaceonthePicoE‐14ismagneticallyisolatedallowing

directconnectionstoanindustrystandardhuborswitch.



TheMarvell88E1111istheonlychiponthePicoE‐14thatrequiresanNDAforaccesstothe

datasheets.Ifyouareinterestedinsomeoftheadvancedfeaturesnotsupportedbythenativedriver,

contactPicoComputingforassistanceinobtaininganNDAfromMarvell.Usersarewarnednotto

contactMarvelldirectly.



EthernetResources:

Marvell88E1111Webpage http://www.marvell.com/products/transceivers/singleport/88e1111.jsp



1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 36 37

Nessun commento

Pico Communications E-14 Manuale Utente Pagina 10