33.7.17 Channel Security Attribution

This register allows the user to configure one or more channels as secured or non-secured.
Important: This register is only available for SAM L11 and has no effect for SAM L10.
Name: NONSECCHAN
Offset: 0x1D8
Reset: 0x00000000
Property: PAC Write-Protection, Write-Secure

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
 CHANNEL7CHANNEL6CHANNEL5CHANNEL4CHANNEL3CHANNEL2CHANNEL1CHANNEL0 
Access RW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RWRW/R/RW 
Reset 00000000 

Bits 0, 1, 2, 3, 4, 5, 6, 7 – CHANNELn Channel n Security Attribution [n=0..7]

The bit n of CHANNEL enables the non-secure mode of CHANNELn. The registers whose CHANNEL bit or bitfield n is set in non-secure mode by NONSECCHAN.CHANNELn are CHANNELn, CHINTENCLRn, CHINTENSETn, CHINTFLAGn and CHSTATUSn registers.

These bits set the security attribution for the individual channels.

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