[Arm-netbook] KiCAD based A10 break out / prototyping PCB finished
bpajith at gmail.com
Wed Feb 6 07:02:22 GMT 2013
On Tue, Feb 5, 2013 at 10:19 PM, jm <joem at martindale-electric.co.uk> wrote:
> KiCAD based A10 break out / prototyping PCB is finished.
> This is a 6 layer A10 prototyping / break out board with all the pins
> except ground lines brought out to pads from where it can be wired to
> make any kind of device.
Great work. Would it be better to have the power supply controller, like
AXP209, also onboard. In fact I do not whether we can power A10 without
something like that.
> The Gerbers are included, but you can modify and generate your own from
> KiCAD. If you build and try to use it, the ground at the back needs a
> direct connection with a thick wire as there is not enough ways to get
> fat tracks into that region with this arrangement of wiring.
> The aim of the board is to allow a slow speed operation of the A10 as a
> standard microprocessor with some 400 GPIO pins to hand. Many items such
> as SDCard, real time clock, RS232, and LCD should work
> at low speeds if you were to add it on by connecting it from a
> breadboard to this board.
> Linux won't run without a lot of RAM, so you may be able to wire
> something up and run
> it at low speeds if you plan running Linux from say the SDCard.
> (A future derivative will have the RAM chips to eliminate the wiring.)
> An ideal situation is to get something to boot from SDCard and flash a
> simple LED. Providing that part is fully documented, the software
> together with this board becomes a useful stepping stone to
> learn to build more complex derivative projects.
> 05-February 2013
> http://www.gplsquared.com/SoM2/SoM2_2013_02_05.tar.bz2 (finished)
> http://www.gplsquared.com/SoM2/SoM2.html (web page)
> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
> Send large attachments to arm-netbook at files.phcomp.co.uk
Dr. Ajith Kumar B.P.
Inter-University Accelerator Centre
Aruna Asaf Ali Marg
New Delhi 110067
Ph: (off) 91 11 26893955 (Ext.230)
(res)91 11 26897867
(mob) 91 9868150852
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