Re: Using TCR1 on MPC5554

"Robert Morin" <[email protected]> Thu, 09 Nov 2006 21:32:51 -0000
Newsgroups gmane.comp.hardware.motorola.microcontrollers
Message-ID <[email protected]>
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 ?
> 
> 
> -- 
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> Celso Brites
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