PDC_INTR_CONFIG
HWRITE4(sc, PDC_INTR_CONFIG(pin), PDC_INTR_CONFIG_EDGE_RISING);
HWRITE4(sc, PDC_INTR_CONFIG(pin), PDC_INTR_CONFIG_EDGE_FALLING);
HWRITE4(sc, PDC_INTR_CONFIG(pin), PDC_INTR_CONFIG_EDGE_BOTH);
HWRITE4(sc, PDC_INTR_CONFIG(pin), PDC_INTR_CONFIG_LEVEL_HIGH);
HWRITE4(sc, PDC_INTR_CONFIG(pin), PDC_INTR_CONFIG_LEVEL_LOW);