Sony CXD5602 User Manual page 188


3.6.5.2.15 SetAlmPreCnt0(0x54)
31 30 29 28
Reserved
-
15 14 13 12
Rese
Pre
rved
- RW

bit[14:0] : Pre[14:0] (Comparison value of PreCounter for AlmFlg.Flg0 and AlmFlg.ErrFlg0)
This register sets operation time (PreCounter) of Alarm0.
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 (SetAlmPreCnt0 Write Busy status)
This register indicates how far SetAlm(Post/Pre)Cnt0 register is reflected.
When Busy indicates
SetAlm(Post/Pre)Cnt0 must not be updated). Once the reflection is completed, Busy becomes "0"
automatically.
Busy
0
1
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.
Reading 1: Alarm Operation time is being reflected. SetAlm(Post/Pre)Cnt0 must not
be written.
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7 6 5 4
is reflecting Alarm Operation
CXD5602 User Manual
19 18 17 16
Busy
RO
3 2 1 0
time (means that