ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 212 -
Revision 2.4
RTC Time Alarm Register (RTC_TALM)
Register
Offset
R/W
Description
Reset Value
RTC_TALM
0x01C R/W
Time Alarm Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
TENHR
HR
15
14
13
12
11
10
9
8
Reserved
TENMIN
MIN
7
6
5
4
3
2
1
0
Reserved
TENSEC
SEC
Table 5-85 RTC Time Alarm Register (RTC_TALM, address 0x4000_801C).
Bits
Description
[31:22]
Reserved
Reserved.
[21:20]
TENHR
10 Hour Time Digit of Alarm Setting (0~3)
2
[19:16]
HR
1 Hour Time Digit of Alarm Setting (0~9)
[15]
Reserved
Reserved.
[14:12]
TENMIN
10 Min Time Digit of Alarm Setting (0~5)
[11:8]
MIN
1 Min Time Digit of Alarm Setting (0~9)
[7]
Reserved
Reserved.
[6:4]
TENSEC
10 Sec Time Digit of Alarm Setting (0~5)
[3:0]
SEC
1 Sec Time Digit of Alarm Setting (0~9)
Note:
1.
RTC_TALM is a BCD digit counter and RTC will not check validity of loaded data. Valid range is listed in the parenthesis.
2.
This register can be read back after the RTC unit is active.