At 17.15 2005.09.22 +0100, you wrote:
>>I personally don't see how this design is going
>>to be quickly reverse-engineered without IC
>>markings on the key part.
>
>The key to this is making assumptions about such parts once you have reverse
>engineered the circuit diagram. The connections to the chip tell you a lot
>about the part, and them some "back of cigarette packet" scribblings about
>estimated requirements gleaned from watching waveforms soon narrows down the
>likely item.
>
>One way people attempt to get around this is to use a standard chip rotated
>inside a package so it is no longer a standard pin out, but often this can
>be recognised from the pin out sequence, especially if the production
>company is known to have a relationship with a certain chip manufacturer.
>
>
>For this reason you see why (in other types of circuits) people have a
>tendency to try and hide IP inside FPGA devices.

Which incidentally are also the easiest to clone..

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist