What kind of IC is this
cclist at sydex.com
Tue Dec 30 17:05:07 CST 2008
On 30 Dec 2008 at 23:52, Oliver Lehmann wrote:
> Jules Richardson wrote:
> > What do people do regarding microcontrollers (old or new) with embedded ROM? I
> > mean an EPROM or PROM's just address lines and data, so reasonably easy to
> > dump - but presumably life's a bit more difficult when the ROM is local to the
> > CPU...
> You could take out the cpu, build an own circuit around it and write a
> small program to output it's internal ROM content on its data lines
> where you fetch it from and store it then..
> Complicated solution of course....
How would you do that? Many uCs with Harvard architectures don't
have instructions to read up the content of program memory. Even so,
how would you get the program into the uC without erasing the program
flash to start with?
I'm not following your logic here.
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