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???
07/02/03 20:00
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#49904 - RE: AT89C51 interface with ADE7756
Responding to: ???'s previous message
well i havent set anything in latch register ... i m just using following command
Mov C,P2.1 ; move whatever on P2.1 to carry
is there any initialization required (i.e latch register bit set ) ... how to do that ..any help in that regard
>> The digital GND is not connected
ADE7756 is properly grounded and uC has also been grounded properly and as ther are on 2 different board using 2 different power supplied so i have also made the gorund common
>>The digital VDD has been left open
i didnt get what it means ??
>> The AGND and DGND pins are connected in a way that there is an unaceptable differential voltage between these pins. The abs max spec for this part only allows for +/- 0.3V between these pins
r u talking abt ADE7756 .. i dont think there are 2 grounds ... well in the meanwhile i look at data sheet again
thanks for previous response ..looking forward to ur reply
raza


List of 28 messages in thread
TopicAuthorDate
AT89C51 interface with ADE7756            01/01/70 00:00      
   RE: AT89C51 interface with ADE7756            01/01/70 00:00      
      RE: AT89C51 interface with ADE7756            01/01/70 00:00      
         RE: AT89C51 interface with ADE7756            01/01/70 00:00      
            RE: AT89C51 interface with ADE7756            01/01/70 00:00      
               RE: AT89C51 interface with ADE7756            01/01/70 00:00      
                  RE: AT89C51 interface with ADE7756            01/01/70 00:00      
                     RE: AT89C51 interface with ADE7756            01/01/70 00:00      
                        RE: AT89C51 interface with ADE7756            01/01/70 00:00      
                           RE: AT89C51 interface with ADE7756            01/01/70 00:00      
                              RE: AT89C51 interface with ADE7756            01/01/70 00:00      
                                 RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                    RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                       RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                          RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                             RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                                RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                                   RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
                                                      RE: AT89C51 interface with ADE7756(imp)            01/01/70 00:00      
   Analog and digital ground            01/01/70 00:00      
      RE: Analog and digital ground            01/01/70 00:00      
         RE: Analog and digital ground            01/01/70 00:00      
            RE: Analog and digital ground            01/01/70 00:00      
               Local ground points            01/01/70 00:00      
   RE: AT89C51 interface with ADE7756            01/01/70 00:00      
      UART with Timer 1 ?            01/01/70 00:00      
         RE: UART with Timer 1 ?            01/01/70 00:00      
            RE: bold, Michael            01/01/70 00:00      

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