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???
03/23/04 21:51
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 		 #67319 - RE: 8 External interrupt in 51 controller
Responding to: ???'s previous message
Suggetion : feed the 8 irq-lines into a port (P0 or P1 or P2) of the 8051, also feed the 8 lines to an 8_inp._nor_gate (74HC4078A), the output of that gate then to P3.2 or P3.3.

List of 20 messages in thread
TopicAuthorDate
8 External interrupt in 51 controller            01/01/70 00:00      
   RE: 8 External interrupt in 51 controller            01/01/70 00:00      
      RE: 8 External interrupt in 51 controller            01/01/70 00:00      
         RE: Triscend, or a uPSD?            01/01/70 00:00      
   RE: 8 External interrupt in 51 controller            01/01/70 00:00      
      RE: 8 External interrupt in 51 controller            01/01/70 00:00      
         RE: 8 External interrupt in 51 controlle            01/01/70 00:00      
      RE: 8 External interrupt in 51 controller            01/01/70 00:00      
   RE: 8 External interrupt in 51 controller            01/01/70 00:00      
      RE: 8 External interrupt in 51 controller            01/01/70 00:00      
         RE: 8 External interrupt in 51 controller            01/01/70 00:00      
   RE: 8 External interrupt in 51 controller            01/01/70 00:00      
      RE: 8 External interrupt in 51 controller            01/01/70 00:00      
         RE: 8 External interrupt in 51 controller            01/01/70 00:00      
            RE: 8 External interrupt in 51 controller            01/01/70 00:00      
               RE: 8 External interrupt in 51 controller            01/01/70 00:00      
         RE: 8 External interrupt in 51 controller            01/01/70 00:00      
            RE: 8 External interrupt in 51 controller            01/01/70 00:00      
            Another look at Triscend            01/01/70 00:00      
            RE: 8 External interrupt in 51 controller            01/01/70 00:00      

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