Datasheet

288
32142D–06/2013
ATUC64/128/256L3/4U
14.6.18 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. Please
refer to the UNLOCK register description 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]