Re: T3-Mini PTT_In
- Thanks Scott,
I'll see if I can make use of it.
--- In firstname.lastname@example.org, Scott Miller <scott@...> wrote:
> The software should still make use of it, but I don't think it's
> connected to anything on the mini.
> On 8/4/2013 12:20 AM, zl1vfo wrote:
> > This question might be for you, Scott...
> > On the T3-Mini, there is a line on the MC9S08JM60 listed as PTG1/KB1
> > shown connected to label 'PTT_IN'
> > http://wiki.argentdata.com/images/Mini-schematic.png
> > Is it connected to anything so it can be utilised?
> > In other words, does it 'come out somewhere'?
> > And does the T3 software make use of it?
> > I'm attempting to work out the logic behind making a radio switch
> > channels from any voice channel to an APRS channel except when someone
> > is already talking on the radio, and possibly if they are listening to
> > an active channel too.
> > There's a little bit more to it than what first meets the eye, esp
> > allowing for PLL settling (an IN-LOCK-OUT output)
> > de Ian ZL1VFO