汽车以太网的潜在差距.pdf

1、From the abstract:After several year using Automotive Ethernet with a great success some negative topics appear too.In many cases it seems that discussing negative topics,so called undefined“extra features”is not necessary and not really a thing to do this in the public.Differently we would give an

2、impulse with the presentation to the Automotive Ethernet users an impulse actively to cooperate to avoid pitfalls,improve the technology and strengthen the Automotive Ethernet community.The presentation will cover Interop issues at one example,currently under investigation.A second topic shows the M

3、DIO interface for configuration as an potential risk.The last example tries to explain,where the IEEE and OpenAlliance specifications need to improve for higher data rates.Three examples:Start-up of 100 and 1000BaseT1 links.MDIO issues.Missing parameters for STP link and system.EMCToolEMCToolGenerat

4、or(noise)PowerSupply100500500Balun PCPCDUTEMC-TOOL LINK-PartnerR_LoadRF-Generator&AmplifierLISNResetBoxKL30/UbKL31/GND12VBatteryPCTEMC ChamberGND-PlateV I/O 1.2V*.5V*MDC frequency:min:kHz max:2.5 to 10 MHz.Clause 22:*Original Format;limited address range(5bit).Clause 45:*Extended Format;extended address range (16 bit/Devtype).Script is not the latest one that has been used in your tests as well as the chip version.I strongly recommend to start your tests with xxx version of the ABCXYZand latest script.-