Datasheet

26.8.2 Control Register
Name: CTRL
Offset: 0x04
Property: -
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
RMEN[3:0] RMDIS[3:0]
Access
W W W W W W W W
Reset
Bit 7 6 5 4 3 2 1 0
REHASH[3:0] SWRST DISABLE ENABLE
Access
W W W W W W W
Reset 0 0
Bits 15:12 – RMEN[3:0] Region Monitoring Enable
Value Description
0
No effect.
1
When bit RMEN[i] is written to '1', the monitoring of region with identifier i is activated.
Bits 11:8 – RMDIS[3:0] Region Monitoring Disable
Value Description
0
No effect.
1
When REHASH[i] is written to '1', Region i digest is re-computed. This bit is only available
when region monitoring is disabled.
Bits 7:4 – REHASH[3:0] Recompute Internal Hash
Value Description
0
No effect.
1
When REHASH[i] is written to '1', Region i digest is re-computed. This bit is only available
when region monitoring is disabled.
Bit 2 – SWRST Software Reset
Value Description
0
No effect.
1
Resets the ICM controller.
Bit 1 – DISABLE ECM Disable
SAM D5x/E5x Family Data Sheet
ICM - Integrity Check Monitor
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 708