Datasheet

239
42023E–SAM–07/2013
ATSAM4L8/L4/L2
13.7.17 System RC Oscillator Calibration Register
Name: RCCR
Access Type: Read/Write
Reset Value: -
• FCD: Flash Calibration Done
0: The flash calibration will be redone after any reset.
1: The flash calibration will only be redone after a Power-on Reset.
This bit is cleared after a POR.
This bit is set when the CALIB field has been updated by the flash fuses after a reset.
• CALIB: Calibration Value
Calibration Value for the System RC oscillator (RCSYS).
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 13.7.7 ”Unlock Register” on page 228 for details.
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
-------FCD
15 14 13 12 11 10 9 8
------ CALIB[9:8]
76543210
CALIB[7:0]