[En-Nut-Discussion] GPIO19 on Ethernut 3.0

[Harald Kipp]

Hard to believe...

P19 is unused by default, but may be used to scan TDO
of the CPLD via jumper JP5. Is JP5 set to default, as
shown on page 5 of
http://www.ethernut.de/pdf/ethwm30d.pdf

Harald


At 11:09 21.12.2005 +0100, you wrote:
>trying to set Pin GPIO19 to high we do this
>
>// initialisation
>outr(PIO_PER, _BV(19));
>outr(PIO_OER, _BV(19));
>
>// set Pin high
>outr(PIO_SODR, _BV(19));
>
>the PIN actually goes high, but retrurns to low as soon as
>the thread goes into sleep mode.
>
>why ?
>
>(we testet other pins with the same 
>result)