LPC18XX_SCU_PIN_EPUN
*reg |= LPC18XX_SCU_PIN_EPUN;
*reg &= ~LPC18XX_SCU_PIN_EPUN;
if ((!(reg & LPC18XX_SCU_PIN_EPD)) && (reg & LPC18XX_SCU_PIN_EPUN))
if (reg & LPC18XX_SCU_PIN_EPUN)