[gta02-core] +1 Hardware revision stored in EEPROM

Álvaro Lopes alvieboy at alvie.com
Wed Aug 26 20:26:48 CEST 2009

Ron K. Jeffries wrote:
> Rask Ingemann Lambertsen <ccc94453 at vip.cybercity.dk>
> wrote:
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   Or we could have a serial/I2C EEPROM. It would allow much
>   more fine grained board revision information, and as hardware
>   fixes are applied (orhardware bugs are discovered...)
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> yes, yes and YES! from a former life, having field
> traceability of exact hardware revision is vital.

I must confess I agree in priciple.... but this presents some other problems - it has to be programmed either before or after assembly.

And we do not use most of CPU pins, so we can use them just for now. Those do not require programming.

Unless we can find other good reason to put a SPI flash in there.


> ---
> Ron K. Jeffries
> http://identi.ca/ronkjeffries
> (I'm also on Twitter, but prefer Geeky, FOSSy character of identi.ca)
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