ML51/ML54/ML56
Sep. 01, 2020
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ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
RTCTALMHR
– RTC Time Alarm-hour Register
Register
SFR Address
Reset Value
RTCTALMHR
B3H, Page 3
0000_0000 b
7
6
5
4
3
2
1
0
-
TENHR[1:0]
HR[3:0]
-
R/W
R/W
Bit
Name
Description
[7:6]
-
Reserved.
[5:4]
TENHR[1:0]
10-Hour Time Digit of Alarm Setting (0~2)
When RTC runs as 12-hour time scale mode, RTCTIMEHR[5] (the high bit of TENHR[1:0])
means AM/PM indication (If RTCTIMEHR[5] is 1, it indicates PM time message.)
[3:0]
HR[3:0]
1-Hour Time Digit of Alarm Setting (0~9)
Note:
1. RTCTALMHR is a BCD digit counter.
2. The reasonable value range is listed in the parenthesis.
3. This register can be read back after the RTC register access enable bit RWENF (RTCRWEN[0]) is active.