CAN bus: Difference between revisions
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* If multiple ECUs are transmitting at the same cycle, all must transmit recessive, or everyone will see dominant | * If multiple ECUs are transmitting at the same cycle, all must transmit recessive, or everyone will see dominant | ||
* Transition to dominant is slower than transition from dominant | * Transition to dominant is slower than transition from dominant | ||
* Synchronization begins on the first recessive to dominant transition after an | * Synchronization begins on the first recessive to dominant transition after an "interframe space" (3 consecutive recessive bits) | ||
** This dominant signal is considered the "start bit" of frame | |||
* Resynchronization occurs on each subsequent recessive to dominant transition | * Resynchronization occurs on each subsequent recessive to dominant transition | ||