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???
02/19/08 21:08
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#151169 - reset, PSEN
Responding to: ???'s previous message
in an another forum, asking a similar question, vmaxusb said:
I think there are problems with Reseting the device.


How do you mean? Please, elaborate, what problems do you have with reset.

Also, There is not any connection for PSEN.


There's no need for it for the P89V51RD2 (it was necessary to pull it down for the P89C51RD2 to enter bootloader mode) - contrary, don't tie it to any voltage level during reset.

JW


List of 8 messages in thread
TopicAuthorDate
P89V51RD2 instead of AT89S52            01/01/70 00:00      
   already answered            01/01/70 00:00      
      reset, PSEN            01/01/70 00:00      
         Yes, there are suttle differences between            01/01/70 00:00      
            subtle?            01/01/70 00:00      
   P89V51RD2 parallel programmer            01/01/70 00:00      
      why?            01/01/70 00:00      
         because he's got the Arghmel virus            01/01/70 00:00      

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