interrupt enable register
| AHBL_INTEN | low 256K flash AHB error interrupt enable |
| LOCKL_INTEN | low 256K flash lock error interrupt enable |
| ERASEL_INTEN | low 256K flash erase status interrupt enable |
| WRITEL_INTEN | low 256K flash write status interrupt enable |
| WRBUFL_INTEN | low 256K flash write buffer status interrupt enable |
| AHBH_INTEN | high 256K flash AHB error interrupt enable |
| LOCKH_INTEN | high 256K flash lock error interrupt enable |
| ERASEH_INTEN | high 256K flash erase status interrupt enable |
| WRITEH_INTEN | high 256K flash write status interrupt enable |
| WRBUFH_INTEN | high 256K flash write buffer status interrupt enable |
| FLASH_INTEN | flash total interrupt enable |