RTC_WAR field descriptions (continued)
Field
Description
4
CRW
Control Register Write
After being cleared, this bit is set only by system reset. It is not affected by VBAT POR or software reset.
0
Writes to the Control Register are ignored.
1
Writes to the Control Register complete as normal.
3
TCRW
Time Compensation Register Write
After being cleared, this bit is set only by system reset. It is not affected by VBAT POR or software reset.
0
Writes to the Time Compensation Register are ignored.
1
Writes to the Time Compensation Register complete as normal.
2
TARW
Time Alarm Register Write
After being cleared, this bit is set only by system reset. It is not affected by VBAT POR or software reset.
0
Writes to the Time Alarm Register are ignored.
1
Writes to the Time Alarm Register complete as normal.
1
TPRW
Time Prescaler Register Write
After being cleared, this bit is set only by system reset. It is not affected by VBAT POR or software reset.
0
Writes to the Time Prescaler Register are ignored.
1
Writes to the Time Prescaler Register complete as normal.
0
TSRW
Time Seconds Register Write
After being cleared, this bit is set only by system reset. It is not affected by VBAT POR or software reset.
0
Writes to the Time Seconds Register are ignored.
1
Writes to the Time Seconds Register complete as normal.
41.2.10 RTC Read Access Register (RTC_RAR)
Address: 4003_D000h base + 804h offset = 4003_D804h
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
W
Reset
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Register definition
K22F Sub-Family Reference Manual , Rev. 3, 7/2014
982
Freescale Semiconductor, Inc.