INT6_IRQ_NUM
#define IMR_MINT6 (1 << INT6_IRQ_NUM) /* Mask External INT6 */
#define IWR_INT6 (1 << INT6_IRQ_NUM) /* External INT6 */
#define ISR_INT6 (1 << INT6_IRQ_NUM) /* External INT6 */
#define IPR_INT6 (1 << INT6_IRQ_NUM) /* External INT6 */