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Mark H

Member Since 24 Sep 2010
Offline Last Active Nov 27 2011 05:41 AM
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Topics I've Started

How many digital IO's on the atmel chip are usable?

06 October 2010 - 09:11 AM

I want to use the Atmel IC on it's own on my own PCB however i need quite a few Digital IO's. Basically i need: 5xdigital MOSFET control pins 5xanalogue Current sensors to Analogue In 1x SPI for 5 Voltage sensors to a 12 bit ADC. 8xdigital for Buttons (could use a shift register) 4xdigital for LED's 3xdigital for a shift register (for 8x digital pins on a KS0108 lcd) 6xdigital for the rest of the pins on the ks0108 So that's 21x digital IO and 5x analogue. I believe the Atmel has 61 or 62 digital's and 8 analogues? Can i get what i need from the atmel running netduino firmware?

Anyone interested in an eagle version of the Netduino files?

26 September 2010 - 09:20 AM

I've seen a couple of threads about the board and schematic files and people wanting them in Eagle, is anyone interested? I'll port them over if there is enough interest - i have an Eagle Pro license so the 4 layer restriction is no problem to me. I have a feeling i'd have to do a redraw from scratch, so the routing will be different however components should mostly be in the same place (all the important stuff anyway) - it would be enough for using to generate your own netduino based devices in any case.

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