NONSECUSER0

Event User Security Attribution

This register allows the user to configure one or more event users as secured or non-secured.
Important: This register is only available for SAM L11 and has no effect for SAM L10.
  0x1E0 32 PAC Write-Protection, Write-Secure 0x00000000  
Parent topic: Register Description

Event User Security Attribution

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
    USER22 USER21 USER20 USER19 USER18 USER17 USER16  
Access    RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW  
Reset    0 0 0 0 0 0 0  
Bit  15 14 13 12 11 10 9 8  
  USER15 USER14 USER13 USER12 USER11 USER10 USER9 USER8  
Access  RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW  
Reset  0 0 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  USER7 USER6 USER5 USER4 USER3 USER2 USER1 USER0  
Access  RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW RW/R/RW  
Reset  0 0 0 0 0 0 0 0  

Bits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 – USERn: Event User n Security Attribution [n=0..22]

Event User n Security Attribution [n=0..22]

The bit n of USER enables the non-secure mode of USERn. The registers whose USER bit or bitfield n is set in non-secure mode by NONSECUSER.USERn are USERn registers.

These bits set the security attribution for the individual event users.

ValueDescription
0 The corresponding event user is secured. When the module is PAC secured, the configuration and status bits for this event user are only available through the secure alias. Attempts to change the event user configuration through the non-secure alias will be silently ignored and reads will return 0.
1 The corresponding event user is non-secured. The configuration and status bits for this event user are available through the non-secure alias.