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Forum Index : Microcontroller and PC projects : Anyone want an MMX update?
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9203 |
@ Peter - can you please post a BOM for the 64-pin version of the MMX, as shown at the top of your thread here. I have the updated gerber set, not the one from post #1(that had errors). The schematic posted on that thread, does not state the values of any of the caps or what Q1 is. Some parts ARE labeled with what they are, but other parts just have the silkscreen reference and nothing else. The full part number for the MZ processor chip would also help.  I've never built an MMX board before, so I kinda need those details. If you happen to have a more up to date ZIP file with all that in it, please can you upload it here, or if any other member knows what I am after, please also feel free to post a reply. Smoke makes things work. When the smoke gets out, it stops! |
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| matherp Guru  Joined: 11/12/2012 Location: United KingdomPosts: 8682 |
Away from home at the moment and support for DesignSpark 10 has ended and I can't get the registration for the new version to work so can't even open the originals. Suggest you try a mail to Phil to see if he has anything. Otherwise I can see what I can do when I get home Details of the processors are in the manual, page 7 Micromite eXtreme Manual.pdf |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6024 |
I find it difficult to judge package sizes so I'll have to leave that I'll guess that the LEDs are 1206 so the small caps are possibly 0603. The small caps are almost certainly all 100nF SMD ceramic. C2 and C25 appear to be marked 107 and are polarized, so I think they are 100uF 10V SMD tantalum electrolytic. C1 looks like it's probably an ordinary through-hole 100nF multilayer ceramic. Just my best guesses. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| TasOak Newbie  Joined: 27/08/2023 Location: AustraliaPosts: 11 |
I am a relative newbie with MM programming, or any programming, really, but have some years experience on the soldering iron, but back in about 2012 I built a couple of lqfp64 breakout boards with MX795F512H as per SC article but due to a bad accident at the time, they were shelved after only their initial programming and “hello world” led flashes. I have only recently found them again (with spare chippie and breakouts) and reprogrammed them with the latest firmware. Would re-purposing them on MMX board/s be a better use for them, or at least the unused one, or is there some reason they might be incompatible? Cheers Glen https://duckduckgo.com/?q=lqfp64+breakout&t=ipad&iax=images&ia=images&iai=https%3A%2F%2Fwww.sector67.org%2Fblog%2Fwp-content%2Fuploads%2F2014%2F11%2FLQFP_64.jpg |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9203 |
Wow. That sucks.  I will see if I can touch base with Phil, but he seems to have fallen off the planet. I'll flick him an email anyway and see if he responds. Thanks for the manual. Smoke makes things work. When the smoke gets out, it stops! |
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panky Guru Joined: 02/10/2012 Location: AustraliaPosts: 1100 |
I have put together a comprehensive User Manual for the Micromite eXtreme (with Peters OK). It can be downloaded from here I am sure there a many errors/omissions that I have missed - I would appreciate any feedback. Enjoy, Doug. ... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it! |
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| panky Guru Joined: 02/10/2012 Location: AustraliaPosts: 1100 |
G, This might be what you need. PM-MMX64.pdf Doug. ... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it! |
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| panky Guru Joined: 02/10/2012 Location: AustraliaPosts: 1100 |
Glen, The MMX or Micromite eXtreme uses the PIC32MZ2048 series of chips - see the User Manual referred to in posts above. The PIC32MX795 chips were the basis of the original Maximite and Colour Maximites and are wholly incompatible with the MMX (Micromite eXtreme). Doug. ... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it! |
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| TasOak Newbie Joined: 27/08/2023 Location: AustraliaPosts: 11 |
] Glen, The MMX or Micromite eXtreme uses the PIC32MZ2048 series of chips - see the User Manual referred to in posts above. The PIC32MX795 chips were the basis of the original Maximite and Colour Maximites and are wholly incompatible with the MMX (Micromite eXtreme). Doug. Thanks Doug, That answers a number of questions on compatibilities, steep learning curve😳👌but at least I have plenty of hardware to learn with😁 Cheers, Glen |
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goc30 Guru Joined: 12/04/2017 Location: FrancePosts: 425 |
Good morning I have a problem with the version "Micromite X production100 V5_07_00b3" (and with the 2 previous versions) if I load a program file (eg: "guidemo.bas") I have a program error. If I run the "new" command, then "list" I find my entire program. likewise if I add a "font 8", it is not recognized. I think the problem comes from poor memory initialization, as if the program (or data) was loaded twice. |
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| goc30 Guru Joined: 12/04/2017 Location: FrancePosts: 425 |
1000 excuses I hadn't seen the new version (v5_07_00b04). It corrects the various problems encountered Thanks peter |
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