STATUSB

Peripheral Write Protection Status B

Reading the STATUSB register returns the peripheral write protection status:

Value Description
0 Peripheral is not write protected.
1 Peripheral is write protected.
Important: For SAM L11 Non-Secure accesses, read accesses (R*) are allowed only if the peripheral security attribution for the corresponding peripheral is set as Non-Secured in the NONSECx register.
  0x38 32 Mix-Secure 0x00000002  

Peripheral Write Protection Status B

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
                   
Access                   
Reset                   
Bit  15 14 13 12 11 10 9 8  
                   
Access                   
Reset                   
Bit  7 6 5 4 3 2 1 0  
        Reserved DMAC NVMCTRL DSU IDAU  
Access        R/R*/R R/R*/R R/R*/R R/R*/R R/R*/R  
Reset        0 0 0 0 0  

Bit 4 – Reserved: Reserved

Reserved

Bit 3 – DMAC: Peripheral DMAC Write Protection Status

Peripheral DMAC Write Protection Status

Bit 2 – NVMCTRL: Peripheral NVMCTRL Write Protection Status

Peripheral NVMCTRL Write Protection Status

Bit 1 – DSU: Peripheral DSU Write Protection Status

Peripheral DSU Write Protection Status

Bit 0 – IDAU: Peripheral IDAU Write Protection Status

Peripheral IDAU Write Protection Status