57.5.1 SFC Key Register

Name: SFC_KR
Offset: 0x00
Reset: 
Property: Write-only

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
 KEY[7:0] 
Access WWWWWWWW 
Reset  

Bits 7:0 – KEY[7:0] Key Code

This field must be written with the correct key code (0xFB) prior to any write in a Data Register (SFC_DRx) in order to enable the fuse programming. For each write of SFC_DRx, this field must be written immediately before.