NJSC32_IREG_EXT_PORT
njsc32_ireg_write_1(sc, NJSC32_IREG_EXT_PORT,
njsc32_ireg_write_1(sc, NJSC32_IREG_EXT_PORT, NJSC32_EXTPORT_LED_ON);
njsc32_ireg_write_1(sc, NJSC32_IREG_EXT_PORT, NJSC32_EXTPORT_LED_OFF);