Hal Murray <hal-use...@ip-64-139-1-69.sjc.megapath.net> wrote: > >>The serial chip does not do that. It will send the interrupt at the >>time it has assembled a full character. > > Some of the serial chips have large FIFOs and wait until the FIFO > has several characters and/or there is no activity for a while. > The idea is to save CPU cycles by batching interrupts.
Yes this makes it even worse. But I was reacting on the posting where it was suggested that this FIFO can be turned off and then an interrupt could be sent at the beginning of the startbit. _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions