30 Dec
2008
30 Dec
'08
2:59 p.m.
On 30 Dec 2008 at 16:30, 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...
It depends on the vendor and the uC. Many uCs can have their program
be read back quite easiy (in cirucit) *if* the security fuses aren't
blown. But the same goes for a lot of programmable logic, doesn't
it?
Cheers,
Chuck