15.2.4 NVMCON2

Nonvolatile Memory Control 2 Register
Note: To unlock writes, a 0x55 must be written first followed by an 0xAA before setting the WR bit of the NVMCON1 register. The value written to this register is used to unlock the writes.
Name: NVMCON2
Offset: 0x1C91

Bit 76543210 
 NVMCON2[7:0] 
Access WOWOWOWOWOWOWOWO 
Reset 00000000 

Bits 7:0 – NVMCON2[7:0] Flash Memory Unlock Pattern bits

To unlock writes, a 0x55 must be written first followed by an 0xAA before setting the WR bit of the NVMCON1 register. The value written to this register is used to unlock the writes.