[oopic] Re: I/O lines of Oopic-C

--- In oopic@yahoogroups.com, "mtiusanen" <mtiusanen@...> wrote:
>
> On q still (which may have been answered elsewhere, so sorry about if
> so...): How much is the lowest voltage associated as "1" in logical
> 1/0 input (oDio1) of OOPic-C?
> If I use a digital measurement-probe working at 3.3V, is that enough
> to trigger it?
> BR /M

This turns out to be a multiple choice question. If the port has a
Schmitt Trigger input, the threshold voltage is higher than if it has
a TTL buffer. So, you need to pick an IOLine, check the OOPic
documentation to find out what PIC port and pin it is and then check
the datasheet to find out if that port/pin is TTL or Schmitt Trigger
input. Then you go to Param No. D040, D040A or D041 of section 17.2
of the datasheet to get the answer.

Richard

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