Sony CXD5602 User Manual page 203

3.6.5.2.34 DiffSignBit(0xC0)
31 30 29 28
Reserved
-
15 14 13 12
Reserved
-

bit[0] : Val (sign bit of difference value from other RTC Counter)
By reading this register, you can see sign when difference (means one RTC Counter (47 bits) minus other
RTC Counter (47 bits)) is calculated.
Val
0
1

Restriction on the use of this register
Check the interrupt flag notifying that RTC Counter has been updated (CntUpdateFlg(0xB8)) before
reading DiffSignBit, DiffPostCnt, and DiffPretCnt.
3.6.5.2.35 DiffPostCnt(0xC4)
31 30 29 28
Val
RW
15 14 13 12
Val
RW

bit[31:0] : Val[31:0] (Difference from other RTC Counter value)
By reading this register, you can see higher 32 bits of the difference (47 bits) (means one RTC Counter (47
bits) minus other RTC Counter (47 bits)).
27 26 25 24
11 10 9 8
Description of Functions
Positive
Negative
27 26 25 24
11 10 9 8
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23 22 21 20
7 6 5 4
23 22 21 20
7 6 5 4
CXD5602 User Manual
19 18 17 16
3 2 1 0
Val
RO
19 18 17 16
3 2 1 0