MODE=WS0
Read Control Register
| MODE | Read Mode 0 (WS0): Zero wait-states inserted in fetch or read transfers. 1 (WS1): One wait-state inserted for each fetch or read transfer. This mode is required for a core frequency above 16 MHz. | 
| IFCDIS | Internal Flash Cache Disable | 
| AIDIS | Automatic Invalidate Disable | 
| RAMCEN | RAM Cache Enable |