s-35392a Seiko Instruments Inc., s-35392a Datasheet - Page 35

• Manufacturer Part Number: s-35392a
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.3
Flowchart of Initialization at Power-on and Example of Real-time Data Set-up
Figure 42 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 real-time data 1
Read status register 2
Set 24-hour/12-hour
Set real-time data 1
OK
YES
YES
YES
YES
Wait for 0.5 s
Figure 42 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
Example of real-time data setting
Initialization after power-on
2-WIRE REAL-TIME CLOCK
S-35392A
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