Menu
▾
▴
Re: [Usbpicprog-technical] Problem with 16F628A
|
From: Frans S. <fra...@gm...> - 2012-02-17 08:27:45
|
Hello Marcel, It's nice to hear that it works for you. Some computers just have less stable USB voltages. For those who suffer from unstable +5V, you can also add an external +5V to the target microcontroller's VDD pin, only make sure that you don't disable your MCLR pin in that case. Regards, Frans On 02/16/2012 10:52 PM, Marcel Konrad wrote: > Hello Frans, > > I just wanted to report back that adding a 470uF cap to VDD of P1, as > Marcelo suggested, did the trick. Now I was able to programm a 16F628A > just fine. For me the mentioned extra 100nF at the gate of Q1 was not > needed. > > Best > Marcel > > Am 11.04.2011 10:24, schrieb Marcel Konrad: >> Hello Frans, >> >> the verify step fails, as Marcelo pointed out in his mail today. >> ------------ >> Mo 11 Apr 2011 10:10:10 CEST: Löschen vor dem Programmieren >> Mo 11 Apr 2011 10:10:10 CEST: Löschen OK >> Mo 11 Apr 2011 10:10:10 CEST: Programmieren des Programmbereiches des PIC ... >> Mo 11 Apr 2011 10:10:16 CEST: Schreiben des Programmspeichers ist OK >> Mo 11 Apr 2011 10:10:16 CEST: Programmieren des Datenbereiches des PIC ... >> Mo 11 Apr 2011 10:10:16 CEST: Schreiben des Datenspeichers ist OK >> Mo 11 Apr 2011 10:10:16 CEST: Vergleiche alle Bereiche des PIC ... >> Mo 11 Apr 2011 10:10:17 CEST: Vergleiche den ProgrammcodeErfolglos bei 0x0. >> Gelesen: 0xFF, Erwartet: 0x55 >> Mo 11 Apr 2011 10:10:17 CEST: Programmieren des Konfigurationsspeichers des PIC >> Mo 11 Apr 2011 10:10:17 CEST: Fehler beim Programmieren des >> Konfigurationsspeichers >> Mo 11 Apr 2011 10:10:17 CEST: Ablauf ohne Fehler/Warnungen ausgeführt >> ------------ >> this is the log. Is it possible to switch the language to english from within >> the software? Did not find a option. Would be easier for troubleshooting... >> >> In english the sequence would be: >> Delete OK -> Programming the program memory OK -> Programming the data memory >> OK -> verify all areas of the pic -> Verify failed at 0x0, read: 0xFF, >> expected: 0x55. >> >> So my programming fails right at the beginning, whereas Marcelo's fails when >> programming large programs to the PIC, if I have understood that correctly. >> >> Also the last message is a bit weird, because ist say: "actions performed >> without errors/warnings". I will have a look at the translation files ... >> >> Best regards >> Marcel >> >> On Sunday 10 April 2011 17:06:00 Frans Schreuder wrote: >>> Dear Marcel Konrad, >>> >>> Could you tell me which error you are getting while programming? >>> >>> Kind regards, >>> >>> Frans Schreuder >>> >>> On 04/10/2011 04:33 PM, Marcel Konrad wrote: >>>> Hey, >>>> >>>> I have build the through-hole Version of usbpicprog successfully and want >>>> to thank you for the good and hard work you have invested so far. >>>> >>>> I was able to program a 18F4550 without problems, but when I have tried a >>>> 16F628A the programming has failed. Both chips are autodetected just >>>> fine. I am using the zif-board to mount the pics. >>>> >>>> I measured all pins with the Input/Output Test from the Options menu and >>>> they are as following: >>>> MCLR 4,96/13,7 >>>> VDD 5,04 >>>> PGD 3,52/5,32 >>>> PGC 3,52/5,31 >>>> Hardware rev. of usbpicprog is 0.3.2 firmware 0.4.2-beta (tried 0.4.1 as >>>> well) >>>> >>>> Any suggestions where to go from here? >>>> >>>> Kind regards >>>> Marcel Konrad >>>> >>>> ------------------------------------------------------------------------- >>>> ----- Xperia(TM) PLAY >>>> It's a major breakthrough. An authentic gaming >>>> smartphone on the nation's most reliable network. >>>> And it wants your games. >>>> http://p.sf.net/sfu/verizon-sfdev >>>> _______________________________________________ >>>> Usbpicprog-technical mailing list >>>> Usb...@li... >>>> https://lists.sourceforge.net/lists/listinfo/usbpicprog-technical >> ------------------------------------------------------------------------------ >> Xperia(TM) PLAY >> It's a major breakthrough. An authentic gaming >> smartphone on the nation's most reliable network. >> And it wants your games. >> http://p.sf.net/sfu/verizon-sfdev >> _______________________________________________ >> Usbpicprog-technical mailing list >> Usb...@li... >> https://lists.sourceforge.net/lists/listinfo/usbpicprog-technical > ------------------------------------------------------------------------------ > Virtualization& Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > Usbpicprog-technical mailing list > Usb...@li... > https://lists.sourceforge.net/lists/listinfo/usbpicprog-technical |
