HW klic, precteni PIC

[Lukas Grepl]

...
> The standard result when the fuse is reset is that the complete memory of
> the PIC16C84 is reset. In the normal programming mode there is a large
> difference between the programming voltage (approx 13.8 Volts) and the
> supply voltage (5 Volts). In the Picbu
> ster as described opposite, the recommended difference is approximately
0V5.
> The voltage drop across the diode is 0V6 to 0V7. The 0V5 voltage
> differential may not be enough to reset the entire memory but is enough to
> alllow the fuse to be reset.
...

Jenze vtip je v tom, ze tohle funguje opravdu jen pro tu starou 16C84. od te
doby se uz mnohe zmenilo a je treba pouzivat mnohem sofistikovanejsi
metody...

S pozdravem
Lukas Grepl, OK2WDT