[Cryptech Tech] Alpha board block diagram v0.001

[Joachim Strömbergson]

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Aloha!

Jakob Schlyter wrote:
> - The RTC wants battery I presume? shared with MKM or separate?

Yes, and an external crytal. Not sure which batteries we want to share
on the board. We have three main consumers of battery power:

1. The RTC
2. The Tamper detect MCU
3. The MKM.

Do we want them to fail at the same time or not?

Right now they are drawn as separate entities.


> - Perhaps we can note somewhere that the ARM CPU GPIO are the future
> interface for - smartcard reader - LCD display - keypad entry

Sure. But we might want to add that info in the requirement document (on
the wiki) rather than the drawing. The req document contains more info
about components and motivation etc for the different parts.

Thanks for the feedback!

- -- 
Med vänlig hälsning, Yours

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