I have a question about smart card baud rate:
- What Does F/D value indicated in the ATR in the negotiable mode show?
Does it show the max F/D value? As you know according to the following formula, as much as the F/D value gets greater, the transmission rate gets smaller:
baud rate = f / (F/D)
So if the F/D value in the negotiable mode is the max value, the transmission rate will be kind of the min value?!!!
I,ve got confused in this problem, please help me!
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.