s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 29
s-35192a
Manufacturer Part Number
s-35192a
Description
3-wire Real-time Clock
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-35192A.pdf
(41 pages)
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Rev.1.2
Flowchart of Initialization at Power-on and Example of Real-time Data Set-up
Figure 32 shows the flowchart of initialization at power-on and an example of real-time data set-up. Regarding how to apply
power, refer to “
flowchart of real-time data strictly. And if using the default data at initializing, it is also unnecessary to set up again.
_00
Power-on Detection Circuit and Register Status” . It is unnecessary for users to comply with this
NG
display to status register 1
(status register 1 B7 = 1)
Read status register 1
Read status register 1
Read status register 1
Confirm data in status
Read status register 2
Read real-time data 1
Set 24-hour/12-hour
Set real-time data 1
OK
YES
YES
YES
Wait for 0.5 s
YES
Figure 32 Example of Initialization Flowchart
Power-on
TEST = 0
register 1
POC = 1
POC = 0
Initialize
BLD = 0
START
END
Seiko Instruments Inc.
NO
NO
NO
NO
Initialization after power-on
Example of real-time data setting
3-WIRE REAL-TIME CLOCK
S-35192A
29
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