(it's on the 5th page, labelled 3-104) On 10/06/2018 15:32, smf wrote: > > On 10/06/2018 13:00, Michał Pleban wrote: >> That's one thing. But the other thing is, creating such nasty behaviour >> and *not* documenting it in the datasheet. I consulted 8255 datasheets >> from several manufacturers and none mentions this. > > It's mentioned in here > > http://pdf.datasheet.live/19afa754/intel.com/P8255A.pdf > > "All of the output registers, including the status flip-flops, will be > reset whenever the mode changes." > > I withdraw my earlier comment.. Why can't you use"mode 2 - > bi-directional bus"? > > > >Received on 2018-06-10 17:02:13
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