All Forums  MCUmall Forums  True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)  GQ-4X 4 (New Revision) PIC 12F508 problem

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by Dio[/i] [br]Hi, iam using the GQ-4X (new Revision) with the 3.0 USB Driver and Usbprg 7.05. Iam programming successfull 29F032, 29F016, PIC 12F629 and M27C801 without any problems. But with 12F508 it does not work at all. When i read it out i get only 3FFF , even at the end where the calibartion value should be. When i program one of them with a hex file (onechip.hex for Playstation) then it seems to write fine, but when reading it out it still shows only 3FFF. So it does not seem to programm at all. The chip is in correct position of the ZIF. If i remove it the Software freezes when i klick readout. I tried 3 differen 12F508 (brandnew ones) from different sources. I have no more idea why only this type does not work at all. Does anybody have any suggestions what else i could try? Thx a lot Regards, Dio [/quote]    Insert an Image File Check here to include your profile signature.