SAM4L Datasheet, PDF(233/1185 Page) ATMEL Corporation – ATSAM ARM-based Flash MCU

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SAM4L Datasheet, PDF (233/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

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ATSAM4L4/L2

13.7.17 System RC Oscillator Calibration Register

Name:

Access Type:

Reset Value:

RCCR

Read/Write

-

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]

â¢ 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.

â¢ 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 âUnlock Registerâ on page 222 for details.

42023CâSAMâ02/2013

233

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