OTP Controller Control Register
| ADDR | OTP write and read access address register |
| BUSY | OTP controller status bit |
| ERROR | Set by the controller when an access to a locked region(OTP or shadow register) is requested |
| RELOAD_SHADOWS | Set to force re-loading the shadow registers (HW/SW capability and LOCK) |
| WR_UNLOCK | Write 0x3E77 to enable OTP write accesses |