[Cryptech Tech] Alpha board strategy

[Joachim Strömbergson]

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Aloha!

This is basically the same solution as we previously suggested with the
rPI compute module.

If it doesn't provide EIM out I think this would not gain us much
compared to sticking to the Novena until the alpha board.

Your
JoachimS

Павел Шатов wrote:
> Hello!
> 
> I want to suggest an idea regarding our Alpha Board. I came across
> this website today: http://www.imx6rex.com/
> 
> They offer two boards. The first one is a very small (7x4 cm) module 
> containing i.MX6Q CPU and up to 4 GB of DDR3-1066 memory. External 
> interfaces are connected to two expansion headers.
> 
> The second board is a development baseboard (carrier) for this
> module, it contains power supply and all the other components.
> 
> The design is completely open, and here is description of their
> license policy: 
> http://www.imx6rex.com/2013/11/the-imx6-rex-module-design-licensing/
> 
> What I like about this module, is that if we use it, we won't have to
> do DDR3-1066 memory and 0.8 mm BGA layout, which should be most
> difficult parts of our Alpha Board. Basically what we need to do is
> to develop another carrier board for this module with an FPGA (or
> two), which is by all means possible. The only problem is that this
> module doesn't have EIM interface exposed, so we will have to replace
> EIM arbiter with SPI/UART/MMC/SD/... arbiter, which is not difficult
> at all.
> 
> Another benefit is that they have all the necessary information on
> their website (schematics, layout, stackup, bill of materials, etc).
> We can review their design to make sure that there's nothing
> suspicious in it and order pre-assembled boards from them, or use
> their layout and bill of materials to order boards from another
> vendor.
> 
> We can even order their baseboard and start porting our system to
> it, while we are developing our own custom carrier.
> 
> What do you think?
> 
> -- With best regards, Pavel Shatov 
> _______________________________________________ Tech mailing list 
> Tech at cryptech.is https://lists.cryptech.is/listinfo/tech


- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
========================================================================
 Joachim Strömbergson          Secworks AB          joachim at secworks.se
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