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Forum Index : Microcontroller and PC projects : Programming PICMX250
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palcal Guru  Joined: 12/10/2011 Location: AustraliaPosts: 1873 |
I have always had trouble using my PicKit3 programmer getting it to connect. I bought aa MPLAB Snap but when I try to use that I get a message "You have entered an invalid value (null) for the Voltage Level on the Snap Power property page." wherever that is. I don't think this would work but if I put the 250 chip on a 170 board would it program via the 1455 using the PicProg GUI. "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" |
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phil99 Guru Joined: 11/02/2018 Location: AustraliaPosts: 2135 |
They are in the same family so it should work. I have successfully programmed a couple of MX270 chips (one for Geoff's ASCII terminal and the other for the USB console version of MMBasic) using pic32prog.exe via an MM2 as the programmer and TassyJim's MMflash windows front end. It can also use a MicroBridge or Arduino Nano as the programmer. The MMflash.zip on his site has all the info. For the Snap, I have a vague memory that it doesn't supply power so you can't use that option. Instead run a wire from the Snap 3.3V line to the PIC chip. Edited 2024-10-04 08:44 by phil99 |
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| palcal Guru Joined: 12/10/2011 Location: AustraliaPosts: 1873 |
Thanks Phil, it worked OK. Should have tried that first, Iv'e wasted hours. "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" |
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| palcal Guru Joined: 12/10/2011 Location: AustraliaPosts: 1873 |
Well my board is up and running, I just saw the boot load button, maybe if I had have pressed that the PicKit3 woul have worked. So long since I have used the PicKit programmer I was a bit rusty. "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" |
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9305 |
If it makes you feel any better, I've never had a stellar success with the PK3 and the Microchip IPE. The 1455 MicroBridge thing ALWAYS works, or if it doesn't, it's something simple that I have done stopping it. I basically don't bother with the PK3 anymore for ANY of the PIC32 chips used for the MM or MM+, I always use the 1455 MB method which "Just works". The PK3 is very useful, setup as a stand-alone programmer, and I have a PK3 specially setup just for programming 1455 chips, but as for trying to use the PK3 via USB and the Microchip IDE/IPE, I have not used that setup for years now. Smoke makes things work. When the smoke gets out, it stops! |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6778 |
IIRC the PK2 always worked better than the PK3 for me. It's ages since I used either though and, TBH, I don't even know where either of them are at the moment! The PK3 handles a wider range of chips but that seems to be its only advantage. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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Geoffg Guru Joined: 06/06/2011 Location: AustraliaPosts: 3194 |
Regarding the PICKit 2; I found that by using a program called PICkit2minus you can program many 8, 16 and 32-bit Microchip microcontrollers including the PIC32 with the PICKit 2. PICkit2minus has a good graphical user interface and will also work with the PICkit 3 so it can also be used as your main programming software for both the PICkit 2 and 3. I found PICkit2minus here: http://kair.us/projects/pickitminus/index.html Geoff Geoff Graham - http://geoffg.net |
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