Grundlagen FlexRay - Institut für Automatisierungs- und ...
Grundlagen FlexRay - Institut für Automatisierungs- und ...
Grundlagen FlexRay - Institut für Automatisierungs- und ...
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<strong>Gr<strong>und</strong>lagen</strong> <strong>FlexRay</strong> BasicsV 1.1 9<br />
Static<br />
Communication<br />
Slot<br />
Static Segment<br />
Sync Frame<br />
Sync Slot<br />
TDMA<br />
Trailer<br />
Wakeup Node<br />
These slots have a fixed length and a unique slot ID. A corresponding<br />
note has exclusive bus access.<br />
The static segment is used to transmit cyclic data. It is included in<br />
every cycle, and uses the TDMA method.<br />
A sync frame is used to synchronise the <strong>FlexRay</strong> bus. It is identified by<br />
the Sync Frame Indicator bit in the header.<br />
A communication slot in which a sync frame is sent,<br />
The TMDA method assigns a time slot to every node, in which the<br />
node has exclusive access to the bus.<br />
The trailer is the last part of a frame, and includes three bytes CRC for<br />
error detection.<br />
A cluster node, which has permission to send a wakeup pattern.<br />
Bäurle 12.10.2012