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sunrom atmel 8051 programmer problem

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saikumar5

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hello friends ,
can anyone help me to solve the problem i had with this circuit(atmel 89 series programmer rev:2)."no circuit problem or wiring or soldering",but the circuit is not completed since one year.
this is where i have stopped: proloadv4.1.jpg
in the second image, the circuit is connected properly and the software can detect the device,but even after the write operation(write successfully is displayed) the flash memory of the programming microcontroller shows o(zero) bytes used.

so plz anyone help me where can be the problem
 

If the chip is locked after writing, then the chip can not be read back. So the software will show as zero bytes used.
 

nandhu015 said:
If the chip is locked after writing, then the chip can not be read back. So the software will show as zero bytes used.
Click to expand...

thanks 4 the reply;
i have checked the programmed Mc with a simple led program but the result is zero
 

Try using recent version of Proload5.4. and too confirm that the Chip is fine and the program verified to be running on other 89S52 programmer on other programmer. If you are using 89S52 you may too try uisng ISP with the USBasp programmer
Cheer
 

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