Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet

42023E–SAM–07/2013

RCCR

Read/Write

-

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.

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

 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]

7

6

5

4

3

2

1

0

CALIB[7:0]