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====== mnmlCore ======
--at the moment obsolete-- because we have [[dipcore_f4]]
we want to create a small STM32F4 based Board (for example 10x4cm in size), with limited Pins/sockets...\\
[[FantomXR]] had made such a thing before, so we start with his working design, and invest some time in it\\
see also this article: [[http://midibox.org/forums/topic/20732-another-midibox-core/?page=1|Another Midibox Core]]\\
I have started a new Tread in the Forum, so we can discuss things there: [[http://http://midibox.org/forums/topic/20899-mnmlcore/|mnmlcore]], but i hope that most of the things will be done in the wiki, so it is more clear\\

===== Introduction =====
...\\

===== a Name =====
mnmlCore, miniCore32,  10x4CORE, RFcore, fundimentalCore,  basisCore, baseCore, XRcore, midicore

====== Design Concepts ======
phatlines idea with onboard-split-cut MidiIO:
{{:phatline:desing-concept-midi-port.jpg?1000|}}\\

====== PCB ======
=====the inital FantomXR Board:=====
==== Features ====
- **Size V0:** 98,5mm x 48,5mm \\
- **Micro-SD-Slot**(flat @back on the board)\\
- **J8/9 SRIO** (for normal shiftregisters)\\
- **Midi A+B** (+HiSpeed? )(need external Optocoppler)\\
- **J30 Displays**(need external HC595)\\
- **Bootloader-Switch**(for program-alphas...debug)\\
- **onboard-Voltage-Regulator** (5V input regulated to 3,3V)\\
- **USB over Pinheader** (no onboard-socket)\\
- **USB-Power-Jumper**\\
- **J6+J7 - Pedals+Fader**:"for an AINSER64-like-analog-scanning", "I made some pcbs with faders which I connect directly to that connectors" \\
- **SWD-Header** (to program BOOTLOADER into board by using for a example a Discovery-Board)\\
- **Reset-Header**\\
{{:phatline:FantomX-Core-V0-connectors.png?600|}}\\

===== our modified Board:=====
==== improvements ====
[[FantomXR]] made some improvement in his other projects, so we also should change this things:\\
"For example I changed:\\
the oscillator to SMD\\
all none-VDD-traces to 0.2032mm\\
all vias to round-style and 0.32mm diameter.\\
all 0603 SMD parts to 0805.
removed the ID-pin from USB.\\
added an inductor behind the USB connector for EMC-improvements\\
"

===== PCB Fabrication/Pick and Place:====
[[FantomXR]] have a pick and place machine, price he not knows up to now FIXME\\
need to ask him about the size of a sheet FIXME of multiple pcbs his machine can hold FIXME\\
find cheap PCB-Manufactor, which do this sheets FIXME for cheap FIXME\\

====== Hardware Requirements ======
  * a jtag programmer (or a Discovery Board)
  * Soldering Iron, Wires, PCB....\\
  * USB Power Supply

===== Resources =====
[[http://midibox.org/forums/topic/20899-mnmlcore/|Forum to discuss]]\\

====== Community users working on it ======
  * **[[Phatline]]** =  Documentation, PCB-layout-or at least give it a first try...\\

Just let a Private message on the forum to user already involved
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