3 rtc hours and minutes alarm register (alrm_hm) – Freescale Semiconductor ColdFire MCF52210 User Manual
Page 165
Memory Map/Register Definition
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor
11-5
11.2.1.3
RTC Hours and Minutes Alarm Register (ALRM_HM)
The real-time clock hours and minutes alarm (ALRM_HM) register is used to configure the hours and
minutes setting for the alarm. The alarm settings can be read or written at any time.
Figure 11-4. RTC Hours and Minutes Alarm Register (ALRM_HM)
IPSBAR
Offset: 0x03C8 (ALRM_HM)
Access: User read/write
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
0
0
HOURS
0
0
MINUTES
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table 11-4. ALRM_HM Field Descriptions
Field
Description
31–13
Reserved, should be cleared.
12–8
HOURS
Alarm hour setting; can be set to any value between 0 and 23.
7–6
Reserved, should be cleared.
5–0
MINUTES
Alarm minute setting; can be set to any value between 0 and 59.