Section number Title Page49.3 FlexCAN signal descriptions........................................................................................................................................ 157249.3.1 CAN Rx .........................................................................................................................................................157249.3.2 CAN Tx .........................................................................................................................................................157249.4 Memory map/register definition................................................................................................................................... 157249.4.1 FlexCAN memory mapping...........................................................................................................................157249.4.2 CAN register descriptions.............................................................................................................................. 157449.4.3 Message buffer structure................................................................................................................................ 164449.4.4 FlexCAN memory partition for CAN FD...................................................................................................... 165149.4.5 FlexCAN message buffer memory map.........................................................................................................165249.4.6 Rx FIFO structure.......................................................................................................................................... 165449.5 Functional description...................................................................................................................................................165749.5.1 Transmit process............................................................................................................................................ 165749.5.2 Arbitration process......................................................................................................................................... 165949.5.3 Receive process..............................................................................................................................................166249.5.4 Matching process........................................................................................................................................... 166449.5.5 Receive process under Pretended Networking mode.....................................................................................166949.5.6 Move process................................................................................................................................................. 167349.5.7 Data coherence............................................................................................................................................... 167549.5.8 Rx FIFO......................................................................................................................................................... 167849.5.9 CAN protocol related features....................................................................................................................... 168149.5.10 Clock domains and restrictions...................................................................................................................... 170149.5.11 Modes of operation details............................................................................................................................. 170549.5.12 Interrupts........................................................................................................................................................ 170849.5.13 Bus interface.................................................................................................................................................. 171049.6 Initialization/application information........................................................................................................................... 171149.6.1 FlexCAN initialization sequence................................................................................................................... 1711Chapter 50Debug50.1 Introduction...................................................................................................................................................................1713MWCT101xS Series Reference Manual, Rev. 3, 07/2019NXP Semiconductors 39