Sony CXD5602 User Manual page 189

3.6.5.2.16 SetAlmPostCnt1(0x58)
31 30 29 28
Post
RW
15 14 13 12
Post
RW

bit[31:0] : Post[31:0] (Comparison Value of PostCounter for AlmFlg.Flg1 and AlmFlg.ErrFlg1)
This register sets Operation time (PostCounter) of Alarm1.
This register compares SetAlm（Post/Pre）Cnt1 with RTC Counter (PostCounter and PreCounter) by using
absolute value, and generates Normal Alarm1 or Error Alarm1.
3.6.5.2.17 SetAlmPreCnt1(0x5C)
31 30 29 28
Reserved
-
15 14 13 12
Rese
Pre
rved
- RW

bit[31:0] :Pre[14:0] (Comparison Value of PreCounter for AlmFlg.Flg1 and AlmFlg.ErrFlg1)
This register sets Operation Time (PreCounter) of the Alarm1.
It takes time to reflect a new Alarm Operation time. During reflecting, do not update the Alarm Operation
time. You can check whether it is in the process of reflecting by using Busy.

bit[16] : Busy (SetAlmPreCnt1 Write Busy status)
When Busy indicates
SetAlm(Post/Pre)Cnt1 must not be updated). Once the reflection is completed, Busy becomes "0"
automatically.
Busy
0
27 26 25 24
11 10 9 8
27 26 25 24
11 10 9 8
"1", the register
Description of Functions
Reading 0: Alarm Operation time is not set or reflected completely.
－189/1010－
23 22 21 20
7 6 5 4
23 22 21 20
7 6 5 4
is reflecting Alarm Operation
CXD5602 User Manual
19 18 17 16
3 2 1 0
19 18 17 16
Busy
RO
3 2 1 0
time (means that