Datasheet

122
42023E–SAM–07/2013
ATSAM4L8/L4/L2
10.7.6 Clock Failure Detector Control Register
Name: CFDCTRL
Access Type: Read/Write
Offset: 0x054
Reset Value: 0x00000000
• SFV: Store Final Value
0: The register is read/write.
1: The register is read-only, to protect against further accidental writes.
• CFDEN: Clock Failure Detection Enable
0: Clock Failure Detector is disabled.
1: Clock Failure Detector is enabled.
Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Refer to
Section 10.7.7 ”PM Unlock Register” on page 123 for details.
31 30 29 28 27 26 25 24
SFV-------
23 22 21 20 19 18 17 16
--------
15 14 13 12 11 10 9 8
--------
76543210
-------CFDEN