Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート
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製品コード
ATSAM4E-XPRO
353
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
16.6.12 RTC Valid Entry Register
Name: RTC_VER
Address:
0x400E188C
Access: Read-only
NVTIM: Non-valid Time
0: No invalid data has been detected in RTC_TIMR (Time Register).
1: RTC_TIMR has contained invalid data since it was last programmed.
NVCAL: Non-valid Calendar
0: No invalid data has been detected in RTC_CALR (Calendar Register).
1: RTC_CALR has contained invalid data since it was last programmed.
NVTIMALR: Non-valid Time Alarm
0: No invalid data has been detected in RTC_TIMALR (Time Alarm Register).
1: RTC_TIMALR has contained invalid data since it was last programmed.
NVCALALR: Non-valid Calendar Alarm
0: No invalid data has been detected in RTC_CALALR (Calendar Alarm Register).
1: RTC_CALALR has contained invalid data since it was last programmed.
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
–
–
–
–
NVCALALR
NVTIMALR
NVCAL
NVTIM