INT5_IRQ_NUM
#define IMR_MINT5 (1 << INT5_IRQ_NUM) /* Mask External INT5 */
#define IWR_INT5 (1 << INT5_IRQ_NUM) /* External INT5 */
#define ISR_INT5 (1 << INT5_IRQ_NUM) /* External INT5 */
#define IPR_INT5 (1 << INT5_IRQ_NUM) /* External INT5 */