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MCF5213 multidrop mode, how to transmit 9 bit

Question asked by Mike Stone on Apr 14, 2009
Latest reply on Apr 15, 2009 by Mike Stone


I am trying to implement a 9-bit protocol on the 5213. I have the receiver working fine, but the transmitter I can't get to add the 9th bit, 1 for first char of msg, 0 for the rest of msg. I'm setting the PM & PT bits in the mode register to address for the first char, then data for the rest, but the bit won't change. Does anyone have an example or know how to do this?

Thank You,