Sony CXD5602 User Manual page 204

3.6.5.2.36 DiffPreCnt (0xC8)
31 30 29 28
Reserved
-
15 14 13 12
Rese
Val
rved
- RW

bit[14:0] : Val[14:0] (Difference from other RTC Counter value)
By reading this register, you can see lower 15 bits of the difference (47 bits) (means one RTC Counter (47
bits) minus other RTC Counter (47 bits)).
3.6.5.2.37 RTC0_RTC_CTL (0x04100730)
31 30 29 28
Reserved
-
15 14 13 12
CLK
NEG
Reserved EDG
E_E
N
- RW

bit[1:0] : EXTALM_SEL [1:0] (External Alarm Output Select Signal)
This register selects one AlarmFlag from AlarmFlag0, AlarmFlag1, and AlarmFlag2 as an Alarm output
outside (RTC0_ExtAlm).
EXTALM_SEL Description of Functions
0 AlarmFlag0(AlmFlg,Flg0) is used as an External Output Alarm (RTC0_ExtAlm).
1 AlarmFlag1(AlmFlg,Flg1) is used as an External Output Alarm (RTC0_ExtAlm).
2 AlarmFlag2(AlmFlg,Flg2) is used as an External Output Alarm (RTC0_ExtAlm).
3 0 is output as an External Output Alarm (RTC0_ExtAlm). (When EXTALM_POL indicates "0")
27 26 25 24
11 10 9 8
27 26 25 24
11 10 9 8
Reserved SYNC_SEL
- RW
－204/1010－
23 22 21 20
7 6 5 4
23 22 21 20
7 6 5 4
EXT
AL
Reserved
M_P
OL
- RW
CXD5602 User Manual
19 18 17 16
3 2 1 0
19 18 17 16
3 2 1 0
EXTALM_S
Reserved
EL
- RW