Техническая Спецификация для Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK

 98

SAM9M10 [DATASHEET]

6355F–ATARM–12-Mar-13

 RTC_SR

0xFFFFFDC8

 Read-only

 

0 = Time and calendar registers cannot be updated.

1 = Time and calendar registers can be updated.

0 = No alarm matching condition occurred.

1 = An alarm matching condition has occurred.

0 = No second event has occurred since the last clear.

1 = At least one second event has occurred since the last clear.

0 = No time event has occurred since the last clear.

1 = At least one time event has occurred since the last clear.

The time event is selected in the TIMEVSEL field in RTC_CTRL (Control Register) and can be any one of the following
events: minute change, hour change, noon, midnight (day change).

0 = No calendar event has occurred since the last clear.

1 = At least one calendar event has occurred since the last clear.

The calendar event is selected in the CALEVSEL field in RTC_CR and can be any one of the following events: week
change, month change and year change.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

–

–

–

7

6

5

4

3

2

1

0

–

–

–

CALEV

TIMEV

SEC

ALARM

ACKUPD