s-35399a02 Seiko Instruments Inc., s-35399a02 Datasheet - Page 43

• Manufacturer Part Number: s-35399a02
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.0
Flowchart of Initialization at Power-on and Example of Real-time Data Set-up
Figure 57 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
NO
NO
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 real-time data 1
Read status register 2
Set 24-hour/12-hour
Set real-time data 1
Figure 57 Example of Initialization Flowchart
Wait for 1 s
Power-on
TEST = 0
register 1
POC = 1
POC = 0
Initialize
BLD = 0
START
END
YES
OK
YES
YES
YES
Seiko Instruments Inc.
NO
NO
Initialization after power-on
Example of real-time data setting
2-WIRE REAL-TIME CLOCK
S-35399A02
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