30.2.23.11 NVM Panel Swap Register

Table 30-14. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit — —
Name: SWAP
Offset: 0x0048
Reset: 0x00000000
Property: PAC Write Protection, KEY.KEY[7:0] = SWAPKEY to unlock when unprotected

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
       PFSLOCKPFSWAP 
Access R/WR/W 
Reset 00 
Bit 76543210 
       BFSLOCKBFSWAP 
Access R/WR/W 
Reset 00 

Bit 9 – PFSLOCK PFM Swap Lock Bit

Writing a 0 to this bit has no effect.

Writing a 1 to this bit will set the lock bit.

Note:
  1. Once set, PFSLOCK can only be cleared by a reset.
  2. This field can only be modified when STATUS.BUSY=0, PFSLOCK=0, and KEY.KEY=<SWAPKEY Value>.
ValueDescription
1 PFSLOCK and PFSWAP cannot be written
0 PFSLOCK and PFSWAP can be written

Bit 8 – PFSWAP PFM Swap Status/Control Bit

Note: This field can only be modified when STATUS.BUSY=0, PFSLOCK=0, and KEY.KEY=<SWAPKEY Value>.
ValueDescription
1 Panel 2 PFM is mapped into the Lower PFM region
0 Panel 1 PFM is mapped into the Lower PFM region

Bit 1 – BFSLOCK BFM Swap Lock Bit

Writing a 0 to this bit has no effect.

Writing a 1 to this bit will set the lock bit.

Note:
  1. Once set, BFSLOCK can only be cleared by a reset.
  2. This field can only be modified when STATUS.BUSY=0, BFSLOCK=0, and KEY.KEY=<SWAPKEY Value>.
ValueDescription
1 BFSLOCK and BFSWAP cannot be written
0 BFSLOCK and BFSWAP can be written

Bit 0 – BFSWAP BFM Swap Status/Control Bit

Note:
  1. The BFSWAP value is determined by the values the user programmed SEQNUM in each boot panel.
  2. This field can only be modified when STATUS.BUSY=0, BFSLOCK=0, and KEY.KEY=<SWAPKEY Value>.
ValueDescription
1 Panel 2 Boot is mapped into the Lower Boot region
0 Panel 1 Boot is mapped into the Lower Boot region