31.2.23.13 Lower BFM Write Protect Register

Table 31-16. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: LBWP
Offset: 0x006C
Reset: 0x0000FFFF
Property: PAC Write Protection, KEY.KEY[7:0] = CFGKEY to unlock when unprotected

Bit 3130292827262524 
 LBWPLOCK        
Access R/W 
Reset 0 
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
 LBWP15LBWP14LBWP13LBWP12LBWP11LBWP10LBWP9LBWP8 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 11111111 
Bit 76543210 
 LBWP7LBWP6LBWP5LBWP4LBWP3LBWP2LBWP1LBWP0 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 11111111 

Bit 31 – LBWPLOCK LBWP Lock Bit

Note:
  1. This field can be set at the same time as writing to LBWP. Once set, LBWPLOCK can only be cleared by a reset (Writing zero has no effect.).
  2. This field can only be modified when LBWPLOCK=0, STATUS.BUSY=0 and KEY.KEY=<CFGKEY Value>.
ValueDescription
1LBWP & LBWPLOCK fields are Locked and cannot be modified
0LBWP & LBWPLOCK fields are NOT Locked and can be modified

Bits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 – LBWP Lower Boot Pages Write Protect Bits

Note:
  1. This field can only be modified when LBWPLOCK=0, STATUS.BUSY=0 and KEY.KEY=<CFGKEY Value>.
ValueDescription
1Erase and Write Protection for Lower Boot Page n is Enabled
0Erase and Write Protection for Lower Boot Page n is Disabled