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problem PIC12F510 & PICKIT2

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bstalin99

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Hi,
i amvery new to pic.I started to use PIC12F510 using CCS complier and PICKIT2 programmer.
I made a pcb for pic controller.Now unable to dump the hex code using pickit2 programmer.when i am trying to write a code it's showing OSCCAL value INVALD in the PICkit 2 programmer window.
 

With the PICKIT2 connected, go to Tools > OSCCAL > Auto Generate.

Then, try again.

Are you writing to the OSCCAL register in the program?

Hope this helps.
Tahmid.
 

oh even i was having the same problem first u check "vdd on" and go to tools and make sure "use vpp first program entry " is ticked and then go to osccal option and click auto generate and it will solve the problem....
 

hi i am ccs c compiler... so in the code start up code can be done this one(write the OSCCAL)...
 

You don't need to write to the OSCCON register. Auto generate the value using PICKIT2 and follow the steps mentioned above.
 

sanjubluerock3 said:
oh even i was having the same problem first u check "vdd on" and go to tools and make sure "use vpp first program entry " is ticked and then go to osccal option and click auto generate and it will solve the problem....
Click to expand...

but "use vpp first program entry " option disabled.... i am giving supply for target board using pickit2.
 

Is the PICKIT2 connected?

You can program the PIC without external power, using the voltage from the USB port.
 

Tahmid said:
Is the PICKIT2 connected?

You can program the PIC without external power, using the voltage from the USB port.
Click to expand...

PICKIT2 connected ...i tried in both the ways.one is using USB and one more is using external supply.
 

You have answer in post #3 Sanjubluerock3 give you answer. You probably have lower voltage then 12V (probably 9V). Check rotation and pins of used transistor in voltage boosting section. You probably should just to rotate one of transistor.


Test programmer :

In Tools menu use Troubleshoot option and test voltages.



You dont need external power supply.
 
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