what do you mean by "CLC"?

--Bob A
--
On 5/9/2014 2:46 PM, Dwayne Reid wrote:
> At 07:59 PM 5/8/2014, Phil Keller wrote:
>> I have been looking at the 16F170x series and I am at a loss as far as
>> the CLC functionality.  It is "Cool" but I am having a tough time coming
>> up with an application that would take advantage of it.  Are there some
>> real world designs (without giving away trade secrets) that have used
>> this capability or is this a solution looking for a problem?
> I haven't used the CLC for this yet, but I have one product in
> production that uses the on-board S-R latch in the PIC16F677.  The
> 'Set' input of the latch is set in software but the 'Reset' pin is
> driven directly by the on-board comparitor.  This comparitor is
> monitoring the peak current consumed by the load (large DC motor) and
> this hardware configuration gives me as close to instantaneous
> shutdown as is possible when an over-current fault occurs.  The trip
> time is significantly faster than would have been possible by using
> an interrupt / software.
>
> This chip (PIC16F6xx) was created before the CLC existed.  If I were
> doing a similar project today, I'd definitely use the CLC for this functi=
on.
>
> This (very) fast hardware shutdown has saved many large FETs from an
> untimely demise and completely eliminated the field failures caused
> by 'Oopses' where the motor leads were shorted accidently.
>
> dwayne
>

--=20
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