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how to understand the working one?

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xjackal

New Member
well.here i am to ask that question that :
can we understand if the pic is working or not by not programming but having any electronic devices?i mean can we understand it by measuring the signals with avometer?
does the error about "verify failed at 000h!" means the microcontroller is burned or something?
 

kinjalgp

Active Member
It doesn't always mean that your uC is faulty. Most often you get this error if your programmer is faulty. If you are using a serial port based programmer that draws power from the port, then the chances of error are more. This is because all serial ports does not work at exactly +-13V as RS232 standard states. Mine works at +-10V. So if this is the problem, I guess your device is not programmed at all or may be some errorneous data is being written to it. Use good quality programmers.
 

xjackal

New Member
well i measured mine its about 10.7 when there is nothing and when i plug the programmator its about 7.5.so is it because of this?
what should i do?
 

kinjalgp

Active Member
Its simple. Get a new good programmer that does not use power from your PC's port. :)
 

TheAnimus

New Member
The problem is that RS-232 levels don't have to be fixed they can "float" about inside a region, the PICs need exactly 13v to program properly (some only 12v, others 5v). If you have a differn't computer (with differn't serial port) u might find it works less intermittently on that. (kinjagp is right get a new one!)
 

xjackal

New Member
so i suppose there is a free cable for another device supply.dose it matter if i join it with my another 5v supply or can i give it with another adapter or something?is it possible to do this?
thanx
 
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