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Pin Count
17-11-2011, 12:22 AM,
Pin Count
Hello !

I am deciding to buy a pinguino.
But it _seems_ that the chipKit uno32 has way more In/Out Pins available.

If i understand the Schematics right, there are 20 Arduino-style Connectors and another 13 on the not mounted Connector 3.

The UEXT Connector does not add Com-Pins as there is A4, A5, pins 11-13 on this one.

So, chipKit has 48 In/Out Pins ans opinguino 33.
Can anyone point out where these "missing" Pins are ?
They are very similar chips in I/O configuration.

Thank you,
18-11-2011, 10:33 AM,
RE: Pin Count
I can't see ChipKit schematic but on Digilent site is written that Chipkit Uno have 42 IOs

if you check PIC32-PINGUINO-OTG you can see that you can use these ports:
- RB1,2,3,4,6,7,8,9,10,11,12,13,14,15 - 15 pcs
- RD0,1,2,3,5,6,7,8,9,10,11 - 11 pcs
- RF0,1,4,5 - 4 pcs
- RE0,1,2,3,4,5,6,7 - 8 pcs
- RG6,7,8,9 - 4 pcs
total: 42 IOs
they are on UEXT, Arduino, and CON3

so the number of available IOs is same
the advantage of PINGUNO toward ChipKit is:

- low power mode
- build in lipo charger
- industrial temperature range
- 9-30VDC power supply
- sd-card
- ultra low power operation
- REAL usb so you can have faster USB transfers and you can be both device and host

so ChipKit is just bad design and poor capability boosted and hypsterized by the Microchip-Digilent Marketing :-)
not at least Pinguino is completely open source with open compiler, open hardware
18-11-2011, 12:00 PM,
RE: Pin Count
I too looked at the Uno32 but decided the PIC32...-OTG was better in lots of ways and actually cheaper as well Smile
28-11-2011, 10:09 AM,
RE: Pin Count
Thanks for your answers,

Got the Olimex board as it is really a price question after all.
But i am not able to find an SD Card Slot on the Board Wink

28-11-2011, 01:31 PM,
RE: Pin Count
Check the product descriptions Smile

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