S-35392A-I8T1G Seiko Instruments, S-35392A-I8T1G Datasheet - Page 35

• Manufacturer Part Number: S-35392A-I8T1G
• Description: Real Time Clock 2-wire Real Time Clock
• Manufacturer: Seiko Instruments

Specifications of S-35392A-I8T1G

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev.2.0
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 “
this flowchart of real-time data strictly. And if using the default data at initializing, it is also unnecessary to set up again.
_00
NG
Power-on Detection Circuit and Register Status”. It is unnecessary for users to comply with
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
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
Initialization after power-on
Example of real-time data setting
2-WIRE REAL-TIME CLOCK
S-35392A
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