You can perhaps use Interrupt-on-change instead. IOC can detect rising edge=
,=20
falling edge or both.

/Ruben

> For some reason on the 16F1459 Microchip has chosen to put the external
> interrupt  on the same pin as the in circuit serial programming clock.  T=
he
> PICKit 3 has a 4.7K pull down resistor on this line internally so Microch=
ip
> is pretty clear that you should not be adding an external pull up resisto=
r
> to this pin as you might do with an external interrupt if you were using
> something like a push button.  Because there is a pull down resistor on
> this line in the programmer, you could connect the push button to the
> positive rail and detect a high when the button is pressed.  If you do th=
is
> with the PICKit 3, it will work when you are running the program, but thi=
s
> disrupts debugger communication and so you can't use the in circuit
> debugger with this set up.
>=20
> Seems odd to me that Microchip would select this pin for the INT function=
,
> but is there anyway to isolate this so you can use a PICKit 3 to do in
> circuit debugging of firmware that uses the interrupt function?
>=20
> John Hansen
> --=20
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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Ruben J=F6nsson
AB Liros Electronic
Box 9124
200 39 Malm=F6 Sweden
www.liros.se
Tel +46 40142078
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