[Cryptech Tech] FT232H EEPROM for Alpha

[Fredrik Thulin]

On Thursday, February 04, 2016 09:21:22 AM Joachim Strömbergson wrote:
> Aloha!
> 
> Fredrik Thulin wrote:
> > The FTDI chips we will use for USB<->UART communications on the
> > Alpha boards can use an EEPROM chip to store settings. The settings
> > are for example USB vendor/product ID numbers, but also a boatload of
> > settings (see the datasheet for details).
> >
> > I would like to suggest adding an EEPROM to the schematics, but not
> > populating it in the first manufacturing run. Does anyone see any
> > downside to this?
> 
> If config can be pushed from USB to EEPROM - no.
> 
> AFAIK Pavel highlighted this problem when we discussed possible
> interface chips and we really didn't want to have persistent state that
> could be altered from the external interface.
> 
> If you think it will not add any time in schematics and layout, add the
> footprint. But otherwise I suggest not doing this.
> 

Ok, in the spirit of not doing anything unnecessary I'll scrap the idea.

/Fredrik
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