6 rtc time alarm register – Rainbow Electronics AT73C246 User Manual
Page 46
46
11050A–PMAAC–07-Apr-10
AT73C246
11.10.6
RTC Time Alarm Register
Name: RTC_TIMALR
Access:
Read-write
Address: 0x10
• SEC: Second Alarm
This field is the alarm field corresponding to the BCD-coded second counter.
• SECEN: Second Alarm Enable
0 = The second-matching alarm is disabled.
1 = The second-matching alarm is enabled.
• MIN: Minute Alarm
This field is the alarm field corresponding to the BCD-coded minute counter.
• MINEN: Minute Alarm Enable
0 = The minute-matching alarm is disabled.
1 = The minute-matching alarm is enabled.
• HOUR: Hour Alarm
This field is the alarm field corresponding to the BCD-coded hour counter.
• AMPM: AM/PM Indicator
This field is the alarm field corresponding to the BCD-coded hour counter.
• HOUREN: Hour Alarm Enable
0 = The hour-matching alarm is disabled.
1 = The hour-matching alarm is enabled.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
HOUREN
AMPM
HOUR
15
14
13
12
11
10
9
8
MINEN
MIN
7
6
5
4
3
2
1
0
SECEN
SEC