RCTRL_FILREN
rctrl |= RCTRL_FILREN | RCTRL_PRSDEP_INIT;
temp &= ~(RCTRL_FILREN | RCTRL_PRSDEP_INIT);
temp |= RCTRL_FILREN | RCTRL_PRSDEP_INIT;
RCTRL_TUCSEN | RCTRL_FILREN)