Datasheet

26.8.8 Undefined Access Status Register
Name: UASR
Offset: 0x20
Reset: 0x0
Property: Read-Only
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
URAT[2:0]
Access
R R R
Reset 0 0 0
Bits 2:0 – URAT[2:0] Undefined Register Access Trace
Only the first Undefined Register Access Trace is available through the URAT field.
The URAT field is only reset by the Software Reset bit in the Control register (CTRL.SWRST).
Value Name Description
0
UNSPEC_STRUCT_MEMBER Unspecified structure member set to '1' detected when the
descriptor is loaded.
1
ICM_CFG_MODIFIED CFG modified during active monitoring.
2
ICM_DSCR_MODIFIED DSCR modified during active monitoring.
3
ICM_HASH_MODIFIED HASH modified during active monitoring
4
READ_ACCESS Write-only register read access
Only the first Undefined Register Access Trace is available
through the URAT field.
The URAT field is only reset by the SWRST bit in the CTRL
register.
SAM D5x/E5x Family Data Sheet
ICM - Integrity Check Monitor
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 719