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