HP 41(CX) - ADDING MEMORY

[Artur - Brasil]

(05-15-2019 02:14 PM)Dave Britten Wrote:  I doubt the ATmega on an Arduino would have tight enough timings over the GPIO lines to bit bang the module bus, but I'm sure an FPGA would be able to pull it off.

I hope someone could tell contrary of you, as my knowledge is limited. I heard about FPGA last seculus... Working in such plane with Arduino would already be a challenge to me!!

In this mean time I read something about FPGA - now they are programmable and reprogrammable.. interesting!
And they are expensive too ...

Thanks!