29.8.15 Non-secure Interrupt

This register allows to set the NMI or external interrupt control and status registers in non-secure mode, individually per interrupt pin.
Important: This register is only available for SAM L11 and has no effect for SAM L10.
Name: NONSEC
Offset: 0x40
Reset: 0x00000000
Property: PAC Write-Protection, Write-Secure

Bit 3130292827262524 
 NMI        
Access RW/R/RW 
Reset 0 
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
 EXTINT[7:0] 
Access RW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RW 
Reset 00000000 

Bit 31 – NMI Non-Secure Non-Maskable Interrupt

This bit enables the non-secure mode of NMI.

The registers whose content is set in non-secure mode by NONSEC.NMI are NMICTRL and NMIFLAG registers.

ValueDescription
0 NMI is secure.
1 NMI is non-secure.

Bits 7:0 – EXTINT[7:0] Non-Secure External Interrupt

The bit x of EXTINT enables the non-secure mode of EXTINTx.

The registers whose EXTINT bit or bitfield x is set in non-secure mode by NONSEC.EXTINTx are EVCTRL, ASYNCH, IDEBOUNCEN, NTENCLR, INTENSET, INTFLAG and CONFIG registers.

ValueDescription
0 EXTINTx is secure.
1 EXTINTx is non-secure.