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alexis23
Visitor II
January 6, 2003
Question

ST72264 and the RIM/SIM instructions

  • January 6, 2003
  • 3 replies
  • 904 views
Posted on January 06, 2003 at 11:52

ST72264 and the RIM/SIM instructions

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    3 replies

    A
    alexis23Author
    Visitor II
    January 6, 2003
    Posted on January 06, 2003 at 10:33

    Hello,

    What do exactly the RIM and SIM instructions on the ST72264 mcu ?

    The code register CC contains two IT bits: I0 and I1, while 'standart' SMI/RMI behaviour is only specified for the former I (and now I0) bit.

    Thank you
    S
    simms
    Visitor II
    January 6, 2003
    Posted on January 06, 2003 at 11:29

    SIM writes I1:0 = 11 (level 3)

    RIM writes I1:0 = 10 (level 0)

    This is specified in the datasheet ''instruction set'' chapter.
    A
    alexis23Author
    Visitor II
    January 6, 2003
    Posted on January 06, 2003 at 11:52

    Ah, yes in fact. Thank you

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