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problem with jdm programmer

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fuza

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i use pic16f877a and i want to progam it using jdm programmer and winpic800 software and i found a problem "written address 0x0000 written 3000 read 3fff"
 

Kripton2035

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do you use a laptop or a desktop computer ?
do you use a usb to serial converner ?
often these converters don't work on laptop with the jdm : there is not enought voltage to program the pic
use a desktop computer and it will work fine.
 

pranam77

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Assuming you are using a desktop, the said problem is directly related to the MCLR connection. Cross check...Cheers
 

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