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[FAQ] TDA4VM: Range of time quanta parameters in MCAN

Tarun Mukesh Puvvada
Guru 61576 points

Part Number: TDA4VM

what exactly is the range in time quanta parameters has to be for MCAN to have proper communication without data drop ?

  • 0
    TI__Guru 61576 points

    Length of Time Segments
    •  SYNC_SEG is 1 TIME QUANTUM long.
    •  PROP_SEG is programmable to be 1,2,...,8 TIME QUANTA long.
    •  PHASE_SEG1 is programmable to be 1,2,...,8 TIME QUANTA long.
    •  PHASE_SEG2 is the maximum of PHASE_SEG1 and the INFORMATION PROCESSING TIME
    • The INFORMATION PROCESSING TIME is less than or equal to 2 TIME QUANTA long.
    The total number of TIME QUANTA in a bit time has to be programmable at least from 8 to 25

    TSEG1, TSEG2: Time segments used to define sampling point for the bit.

    TSEG1: Time before the sampling point = Prop_Seg + Phase_Seg1

    TSEG2: Time after the sampling point = Phase_Seg2