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sawasdee01
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Posted: 17 January 2017 at 1:43pm | IP Logged Quote sawasdee01

Geoff and Peter,

I love Micromite and I am really looking forward to the final release of MM5.3

A few days ago, I was using Micromite Plus V5.2 and accidentally strayed over the 100 subroutines and functions limitation. In doing so, I discovered that Micromite seems to 'hang' irretrievably when this limit is exceeded - ie the part needs re-programming with the Micromite Plus image.

I also tried the Micromite Plus V5.3 Beta 3 image and discovered that the same thing happens.

Obviously, it is understandable that exceeding this well documented limitation will cause problems - but my question for you is: Given the much larger memory spaces of the Micromite Plus and now the Micromite Extreme versions, is now a good time to increase the subs + functions limitation to 200 for the MM Plus and 500 for the MMX?

Best Wishes.

Sawasdee


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Geoffg
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Posted: 17 January 2017 at 3:17pm | IP Logged Quote Geoffg

100 subroutines, wow! But a good point, I will look into it.

Geoff

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cdeagle
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Posted: 17 January 2017 at 7:31pm | IP Logged Quote cdeagle

WW. I am also interested in one 100 pin version of the fully populated board. Thanks
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WhiteWizzard
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Posted: 17 January 2017 at 7:49pm | IP Logged Quote WhiteWizzard

Hi David,

I need to clarify here that the PCB is for the 144pin MZ. Do not be misled by the '100' in the last few posts relation to quantity of sub-routines! Anyway, the 144 pin module has a lot on offer that should make you 'wanting' one!

By the way, I still need a few more people to show interest to allow me to get the price down to 74 (for TBS members) for the fully assembled MicroMite eXtreme 144 Module (this would make it cheaper than the assembled Explore 100 module!). Currently the cost is 80 per module based on the current PCB volume.

For this first batch, I am going to request 80 but am including fully insured Tracked shipping (I will take the 'hit' if there is not enough interest). If you are still keen to obtain the 'feature-rich' 144 pin module then PM/email me and I can give you the necessary details.

Thanks David for your continued support too - it is always nice to hear from our loyal customers

WW

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retepsnikrep
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Posted: 18 January 2017 at 7:50am | IP Logged Quote retepsnikrep

WW I'm interested in a fully populated extreme board as well please.

Thanks

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WhiteWizzard
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Posted: 18 January 2017 at 9:12am | IP Logged Quote WhiteWizzard

Thanks Peter - I have PM'd you.

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Cremo
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Posted: 18 January 2017 at 10:15am | IP Logged Quote Cremo

Hello Peter,
please check the list in page 5 of the Micromite eXtreme Manual about Suitable Microcontrollers.

In my opinion the correct codes are:

PIC32MZ2048EFG100-I/PF for 100-pin LQFP package with 0.5 mm pin pitch 200MHz
------
PIC32MZ2048EFG100_250I/PF for 100-pin LQFP package with 0.5 mm pin pitch 252MHz
---------

Best regaeds and thank toy for your work.

Pietro
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matherp
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Posted: 18 January 2017 at 11:27am | IP Logged Quote matherp

Pietro

Changes to this table seems to have been lost passing the file back and forwards between myself and Geoff

The correct version - I think is :

The recommended chips are:
PIC32MZ2048EFG100-I/PF 100-pin TQFP package (0.5 mm pin pitch) – maximum speed 200 MHz
PIC32MZ2048EFG144-I/PL 144-pin LQFP package (0.5 mm pin pitch) – maximum speed 200 MHz
PIC32MZ2048EFH100-250I/PF 100-pin TQFP package (0.5 mm pin pitch) – maximum speed 252 MHz
PIC32MZ2048EFH144-250I/PL 144-pin LQFP package (0.5 mm pin pitch) – maximum speed 252 MHz

The chips PIC32MZ2048EFM100-I/PF and PIC32MZ2048EFM144-I/PL can also be used at 200 MHz. In addition the 0.4mm chips may be used but are harder to solder by hand (PT for 100-pin and PH for 144-pin)

I've updated the document.
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WhiteWizzard
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Posted: 20 January 2017 at 8:36am | IP Logged Quote WhiteWizzard

MicroMite eXtreme 144 Module: UPDATE

Thanks to everyone who has been in touch and who have shown their support.

GREAT NEWS: The PCB was ordered Wednesday evening and is currently in fabrication as I type this message. The fabrication process status is showing as 60% complete; and is due to be finished in the next 3 hours. I have spoken with the factory this morning and they have ensured me that the PCBs will be despatched prior to them going on the Chinese New Year Holiday.

The 250MHz PICs are on schedule to arrive today via UPS in the next 4 hours; and most of the other components arrived yesterday (UK Thursday). Any outstanding bits will be ordered next week on a 24hr delivery basis.

So with a bit of luck, the PCBs should arrive here in the UK sometime mid-late next week.

Will update you again with anything significant as and when appropriate . . .

WW


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WhiteWizzard
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Posted: 20 January 2017 at 9:45am | IP Logged Quote WhiteWizzard

Here is a graphic for the Top layer & Silkscreen,



Working clockwise around the edge of the PCB (from Top Left corner):
- Power input socket
- USB Client (Type B) communication socket (and Power option)
- Reset switch
- VGA output socket
- I/O Connector (Digital/Analogue) + Power connector for external 'stuff'
- PS2 Mouse socket
- USB Host socket (for future use!)

- 40-way TFT connector (SSD1963, S6D0164, ILI9325, SSD1289)

- 3.5mm Stereo jack socket (WAV & tone output - line level)
- HeartBeat LED (think of this as a flashing Power LED - It can be disabled (turned off))
- uSD Card socket
- PS2 Keyboard socket
- PWM connection headers
- COUNT connection headers
- SPI1
- SPI3
- COM 1
- COM 2
- COM 3
- I2C2 (x2 headers)

- Nunchuck edge-connector
- DS3231 Socket
- Power selector jumper (between the two heatsinks/vRegs) to select Power source (Power Jack, or, USB)

Other points to note:
- Towards the upper left corner is the PIC1454/5 USB-to-UART circuit complete with 'Mode' button, and 'Mode LED'
- I2C1 (x2 headers) are to the right of the RTC (and above the two SPI headers)
- On board buzzer (above RTC)
- Heavy duty vRegs complete with mechanical heatsinks
- Console connection (should you need it!) to the left of the VGA socket
- ICSP header to the right of the buzzer / PIC1454/5

Mounting holes are located for direct mounting onto a 7" TFT (tested with SSD)

One last thing for those who have pre-ordered: The 250MHz PICs have just arrived

WW



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cdeagle
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Posted: 20 January 2017 at 10:00am | IP Logged Quote cdeagle

Excellant work Geoff, Peter and Phil.

Looking forward to using this system.
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Zonker
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Posted: 20 January 2017 at 11:08am | IP Logged Quote Zonker

Wow.. Nice layout...

So, the RTC uses the same module as the E-100 board.. I did order 2 of them... I think I see some tracks going to the other side.. Are you using the memory IC part of the RTC module..?

Thanks Gent's..! This is ant awesome design project

MMX..! Sweet..!!
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