24.22.2.10 NVMPWPLT – Flash Program Write Protect Lower Register

Name: NVMPWPLT
Offset: 0xD0
Reset: 0x80000000
Property: -

Bit 3130292827262524 
 ULOCK        
Access R/C 
Reset 1 
Bit 2322212019181716 
 PWPLT[23:16] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 15141312111098 
 PWPLT[15:8] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 PWPLT[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 31 – ULOCK NVMPWPLT Register Unlock bit

Note:
  1. This field can only be modified when the NVMKEY unlock sequence is satisfied.
  2. This field can be cleared at the same time as writing to PWPLT[23:0].
ValueDescription
1

NVMPWPLT register is not locked and can be modified

0

NVMPWPLT register is locked and cannot be modified

Bits 23:0 – PWPLT[23:0] Flash Program Write Protect Less Than Address

Pages at Flash addresses less than this value are write-protected.
Note:
  1. This field can only be modified when the NVMKEY unlock sequence is satisfied, and ULOCK = 1.
  2. This is a byte address force to align to page boundaries.