I know how the software works. The formal position is. Do not connect a pk3 or pk2 to the circuit and then star the Windows application with AutoDectect checked.
Why? The software will control the PK3 or Pk2 with respect to 3v3 for a specific chip. But, if AutoDectect is checked and the previous chip is use is a non 3v3 chip then the Pk3 ot Pk2 will apply 5v0 during the detection process. So, best practice. Use manual selection of the chip and do not use Auto Detect when using a 3v3 circuit. Evan Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: 'Mike' via jallib <[email protected]> Sent: Wednesday, October 19, 2022 9:40:21 PM To: jallib <[email protected]> Subject: Re: [jallib] Re: PICKit3 programmer question. It should be noted that the PICKits also program "LF" devices. So, programming at 3.3V should not be a problem. Do brownout settings have to be changed? Regards, Mike On Wednesday, October 19, 2022 at 1:45:42 PM UTC-4 [email protected] wrote: Hello all, Thanks for your answers so it is save to run the PIC (and the rest) on 3.3 Volt and program the PIC in-circuit with my PICkit3. I will give it a try since it saves me a lot of level shift connections and wires on the breadboard. Thanks again. Kind regards, Rob ________________________________ Van: [email protected] <[email protected]> namens vsurducan <[email protected]> Verzonden: woensdag 19 oktober 2022 06:07 Aan: [email protected] <[email protected]> Onderwerp: Re: [jallib] Re: PICKit3 programmer question. Pickit2/Pickit2+ (Evan's firmware/software) works ok as you described. I guess will be no issue on Pickit3 either. best wishes, On Wed 19 Oct 2022, 6:16 AM Matthew Schinkel <[email protected] wrote: I use PICKit3 ICSP with a 3.3v circuit. I haven't had any problems. Matt. On Tuesday, October 18, 2022 at 1:25:36 PM UTC-4 [email protected] wrote: Hi all, I have a question about a PICKit3 programmer. Instead of trying it out and blowing up my programmer I thought I ask you. I often have a device that operates at 3.3. Volt and the PIC running at 5 Volt. I use level shifters to get then connected. I program my PIC in-circuit so I do not remove it from the breadboard. I can run the PIC at 3.3. Volt so that I do no longer need any level shifters. My question is the following. Can I reprogram my PIC in-circuit when it is running at 3.3 Volt or will I kill the PIC? Are there any issues I should take into account, e.g. only use Low Voltage Programming or 'do not try this at all!'? Thanks. Kind regards, Rob -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/e81b2f33-7232-490e-becf-ae84d3585c0en%40googlegroups.com<https://groups.google.com/d/msgid/jallib/e81b2f33-7232-490e-becf-ae84d3585c0en%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/CAM%2Bj4qsBjavKTpAmw2PohBBEQv_0MDKRftPeRFZnfio1ua0%2BKA%40mail.gmail.com<https://groups.google.com/d/msgid/jallib/CAM%2Bj4qsBjavKTpAmw2PohBBEQv_0MDKRftPeRFZnfio1ua0%2BKA%40mail.gmail.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]<mailto:[email protected]>. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/84124dfe-ebc8-4696-8f7c-c3fe29a663e7n%40googlegroups.com<https://groups.google.com/d/msgid/jallib/84124dfe-ebc8-4696-8f7c-c3fe29a663e7n%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/CWXP265MB2518977920A7194512CF7D6DF92B9%40CWXP265MB2518.GBRP265.PROD.OUTLOOK.COM.
