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RM57L843: CRC Module

Vikas Nichite
Intellectual 280 points
Part Number: RM57L843

Hi,

I want to utilize a CRC engine in Hercules RM57L843, please let me know is it possible to use for 8bit CRC, 16 bit CRC and 32 bit computation  since PSA Is of 64 bit primitive polynomial,

If it is possible please let me know how, since I want to use it for communication

Thank you

Vikas

  • 0
    TI__Guru**** 196776 points

    Hi Vikas,

    CRC Controller supports doubleword, word, half word and byte access to the PSA Signature Register. During a non-doubleword write access, all unwritten byte lanes are padded with zero’s before compression. Note that comparison between PSA Sector Signature Register and CRC Value Register is always in 64 bit because a compressed value is always expressed in 64 bit.