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Is there anyone to help me????
i think ATR indicates Fi = max value of F and Di = max value of D in TA(1)1 person found this helpful
but greater values of F and D do not mean that F/D is greater
Best thing to do is pay the money and get a copy of ISO7816-3 where all the bit twiddling is described. The ins and outs of the various card options are legion and its best to go to the source if its important.