s-35199a01 Seiko Instruments Inc., s-35199a01 Datasheet - Page 42

• Manufacturer Part Number: s-35199a01
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

42
3-WIRE REAL-TIME CLOCK
S-35199A01
Flowchart of Initialization at Power-on and Example of Real-time Data Set-up
Figure 51 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.
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 status register 2
Read real-time data 1
Set 24-hour/12-hour
Set real-time data 1
Figure 51 Example of Initialization Flowchart
Wait for 1 s
Power-on
TEST = 0
register 1
POC = 1
POC = 0
Initialize
START
BLD = 0
END
YES
OK
YES
YES
YES
Seiko Instruments Inc.
NO
NO
Initialization at power-on
Example of real-time data set-up
Rev.1.0
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