Re: External Interrupt 4

Bryan Armstrong <bryan.armstrong-6tN4nzCoH/[email protected]> Wed, 09 Jun 2004 08:59:42 -0500
Newsgroups gmane.comp.hardware.microcontrollers.tini
Message-ID <[email protected]>
Liapis Dimitris wrote:
>     Hello,
> 
> I am using a TINIm400 board (with TINIS400) and the 1.12 firmware.
> I need to use the external interrupts 2 and 4. External interrupt 2 works
> just fine, but I don't get any interrupts from external interrupt 4.
> I tried to give a software interrupt for external interrupt 4 and I get it
> normally.
> I also tried to define the pin P1.6 as an input before using it as an
> interrupt pin (setting it to "one"), but it did not work.
> Is there any problem with external interrupt 4?
> 
> Thanks.
> 
> Regards, Dimitris

Dimitris,

What modifications did you make in order to use INT2 and INT4?  Did you 
cut the lines to the RS232 level shifter?  Verify that U7 is not 
interfering with the signals.

-Bryan

-- 
--
Bryan Armstrong
bryan.armstrong-6tN4nzCoH/[email protected]

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