Posted on May 17, 2011 at 09:49Hi Michel, I only want to show you a little misstake. If you code SCU->GPIOOUT[5] |= 0x5555; and try to reset it with SCU->GPIOOUT[5] |= 0x0000; this won't work because you use the OR | Operator. ex: 1|0=1 If you want ...