Hello,
I want to read Data von DATAx just if there is new data available. ERROR_CONFIG[0] is set to 1 and CONFIG[7] is set to 0 that the FDC asserts INTB as soon as new data is available.
The problem is, that INTB does not de-assert when DATAx is read. INTB is held LOW until the STATUS register is read. but normally reading DATAx clears STATUS and therefore INTB should be deasserted.
The output of STATUS when read is the following: 1100000001000000
This seems pretty normal to me.
First and Second 1: Flag for Channel 3
Third 1: Data is ready
So where is the problem?
Thanks in advance,
Jonas