Hi, CCK
External reset circuits are useful when you do not want to reset at the voltage given by the Brownout ... ( batt powered devices i.e. )
or if there is no brownout on the device !!!...
They may also be useful if you want particular power-on timings for peripherals ...
one other evident use is NOT to reset the processor, but enter a failsafe section on lowbatts ... with reset circuit connected to an " ordinary " pin !!!
MC 33x64 devices are great for that !!!
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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