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Grundlagen FlexRay - Institut für Automatisierungs- und ...

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<strong>Gr<strong>und</strong>lagen</strong> <strong>FlexRay</strong> BasicsV 1.1 21<br />

Figure 2.15 Definition of <strong>FlexRay</strong> network test points [FREPLS06]<br />

Table 2.1 Voltage levels at the test ponts<br />

Bus state<br />

uBus [mV]<br />

Min<br />

Max<br />

Idle_LP TP4 -150 150<br />

Idle<br />

TP1 0 30<br />

TP4 -150 150<br />

Data_0<br />

TP1 -600 -2000<br />

TP4 -400 -2000<br />

Data_1<br />

TP1 600 2000<br />

TP4 400 2000<br />

Figure 2.16 Eye diagram [FREPLS06]<br />

If the bus is at Idle_LP, the Bus Driver is in a sleep mode, and has to be put in normal mode<br />

by a local event in order to wake up the bus.<br />

Bäurle 12.10.2012

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