Re: Using TCR1 on MPC5554

Hi Celso,

I forgot to say that ETPU_MCR[GTBE] was not set.

Robert

>
> Robert,
> 
> leave ETPU_REDCR with the reset values, if you configure it as a
STAC client
> (REN1=1, RSC1=0) it won't increment.
> 
> The ETPU_TBCR value seems correct. Any chance you have the engine
stopped?
> What do you read from ETPU_ECR1?
> 
> Celso
> 
> Robert Morin wrote:
> 
> > Hi Celso,
> >
> > I set up the ETPU_TBCR for TCR1 to use the system clock divided by 2
> > and a prescaler set to 112 (0xC3FC0020=
> >
> > 0x2000806f) but reading
> > ETPU_TCR1 (0xC3FC0024) always read 0.
> >
> > I tried to setup ETPU_REDCR with REN1 and RSC1 but no result.
> >
> > Robert
> >
> > >
> > > Yes, you can read TCR1 value from register ETPUTCR1.
> > > Don't even have to run any code on the eTPU, just setup the
clock source
> > > and prescaler on register ETPUTBCR.
> > >
> > > Regards,
> > > Celso
> > >
> > > Robert Morin wrote:
> > >
> > > > Hi,
> > > >
> > > > is it possible to use TCR1 on a eTPU (A or B) as a free-running
> > > > counter that can
> > > > be read by the CPU ?
> >
>