NXP Semiconductors MPC5777C Reference Manual

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NXP Semiconductors MPC5777C Reference Manual Manual pdf 108 page image

.HW reset orInit stateT0DMS = 01DMS = 00DMS = 11T2DMS = 10T3T4T5T6T7 T1T8Figure 3-57. Debug Message Handling State MachineT0: reset m_can_dma_req output, enable reception of debug messages A, B, and CT1: reception of debug message AT2: reception of debug message AT3: reception of debug message CT4: reception of debug message BT5: reception of debug messages A, BT6: reception of debug message CT7: DMA transfer completedT8: reception of debug message A,B,C (message rejected)3.5.5 Tx HandlingThe Tx Handler handles transmission requests for the dedicated Tx Buffers, the Tx FIFO,and the Tx Queue. It controls the transfer of transmit messages to the CAN Core, the Putand Get Indices, and the Tx Event FIFO. Up to 32 Tx Buffers can be set up for messagetransmission. The Tx Buffer element is described in Tx Buffer Element.NoteAUTOSAR requires at least three Tx Queue Buffers andsupport of transmit cancellation.Functional DescriptionMPC5777C Reference Manual Addendum, Rev. 1, 12/2015108 Freescale Semiconductor, Inc.