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???
07/06/07 08:11
Read: times


 
#141542 - this is suspicious
Responding to: ???'s previous message
Prev Ravanth said:
P0_2 = 1; // D0 
P0_2 = 1; // D1 
P0_2 = 0; // D2 Send Digit 3 
P0_2 = 0; // D3 
P0_2 = 0; // D4 

This is suspicious. I haven't seen the Holtek chip specification (you haven't given a link to datasheet nor other information except its name - don't expect us to search for that), but how on earth does it know from a port pin changing only once from one to zero, (as a consequence of the third line of the snippet above), that it was actually 5 bits?

... and please read carefully what Andy wrote - even if you might think there is no specific help there, actually following the advices he tirelessly repeats here will help you to work (and ask here) more systematically, with results on the long run guaranteed.

JW

PS. You could have said that you already solved the problem with 100kHz generation, so that we won't guess wildly in the other thread...

List of 9 messages in thread
TopicAuthorDate
HT 9200A somes times dials ...sometimes does not d            01/01/70 00:00      
   Please read...            01/01/70 00:00      
   this is suspicious            01/01/70 00:00      
      You didnt' look hard enough!            01/01/70 00:00      
         Consensus            01/01/70 00:00      
         aaaaaah soooo, it's SPI!            01/01/70 00:00      
            Jan's cprrect            01/01/70 00:00      
               Toggling the Clk pin does not works.            01/01/70 00:00      
                  Not useful            01/01/70 00:00      

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