ST STM32F207 series - Figure 308. CAN Error State Diagram

Controller area network (bxCAN) RM0033
808/1381 RM0033 Rev 9
Figure 308. CAN error state diagram
ERROR PASSIVE
When TEC or REC > 127
When TEC and REC < 128,
ERROR ACTIVE
BUS OFF
When TEC > 255When 128 * 11 recessive bits occur:
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