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???
01/14/11 19:07
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 		 #180592 - Be Careful
Responding to: ???'s previous message
Robin Bastian said:
so, I can write 1 to IE0 or IE1
and the interrupts will happen?

I read the datasheet, below
http://www.atmel.com/dyn/resou...oc1919.pdf
there's no detailed information there.

and this, is not my homework.
I just don't have the hardware to do the test.

oh yeah, I'm definitely a noob.
I don't even know what "bible" you all mention in the post.


Robin:

If I were you I would not just write it the way you did. First off the other parts of this thread have shown that some docs say that the interrupt will only happen when the LEVEL/EDGE is set the correct way. Secondly the fact that various data sheets have no mention about what happens in writing these bits means that you have to check your own derivative to see how it actually works. With the variation of the docs about this point it is for sure that some 8051 clones are likely to be designed different than others.

Michael Karas


List of 28 messages in thread
TopicAuthorDate
What happen if I write 1 to Interrupt flag register?            01/01/70 00:00      
   which register??            01/01/70 00:00      
   Be specific about ur queries            01/01/70 00:00      
   if 8051            01/01/70 00:00      
   the register            01/01/70 00:00      
      this is a quite tricky question...            01/01/70 00:00      
         congrats, Robin            01/01/70 00:00      
         Re: tricky question            01/01/70 00:00      
         it was me,            01/01/70 00:00      
         Didn't search first            01/01/70 00:00      
            read "the bible"            01/01/70 00:00      
            the truth is...            01/01/70 00:00      
               it does state            01/01/70 00:00      
               I take this back...            01/01/70 00:00      
                  Disagree            01/01/70 00:00      
      Atmel hardware manual            01/01/70 00:00      
         I'll take the answer as :            01/01/70 00:00      
            Be Careful            01/01/70 00:00      
               oh, they do            01/01/70 00:00      
            re: I don't even know what "bible" you all mention in the po            01/01/70 00:00      
               "bible"            01/01/70 00:00      
            Diving into the AT89S52            01/01/70 00:00      
               just a note            01/01/70 00:00      
                  Re: just a note            01/01/70 00:00      
                     MIDI project, etc            01/01/70 00:00      
   oh, and we forgot to ask the usual question:            01/01/70 00:00      
      since i do not know what 'that' is I guess            01/01/70 00:00      
      SWI            01/01/70 00:00      

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