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TMS570LS3137: About ADC 7 Periodic Hardware CRC Check of MibADC SRAM Contents

user4777395
Intellectual 480 points
Part Number: TMS570LS3137


I use TMS570LS3137.

What is the static contents of ADC?
Does it match with another recognition different from Static Configuration Registers?

Does CRC check cover the conversion result?

  • 0
    TI__Guru 59540 points

    Hello,

    The effectiveness of this test is going to be limited by the degree to which the content is static. i.e., if the ADC conversions are in a tight loop or continuous mode, this diagnostic may not make a lot of sense given the constantly changing data. If, however, the data remain constant for a sufficient amount of time and the data hasn't been copied to SRAM for use, then CRC check of the data may be a useful endeavor. This is going to be very application dependent. In general, examination of the FMEDA data will reveal that this safety measure does not factor into the overall SFF or DC of the device for the assumed use.