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S-35399A03 Datasheet, PDF (41/51 Pages) Seiko Instruments Inc – 2-WIRE REAL-TIME CLOCK | |||
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Rev.1.0_00
 Examples of Application Circuits
10 kâ¦
VDD
INT1
INT2
VSS
S-35399A03
SDA
SCL
10 kâ¦
XIN XOUT
Cg
2-WIRE REAL-TIME CLOCK
S-35399A03
VCC
VCC
System
power supply
CPU
VSS
Caution 1. Because the I/O pin has no protective diode on the VDD side, the relation of VCC ⥠VDD is possible.
But pay careful attention to the specifications.
2. Start communication under stable condition after power-on the power supply in the system.
Figure 51 Application Circuit 1
VDD
INT1
INT2
S-35399A03
SDA
SCL
VSS
XIN XOUT
10 kâ¦
10 kâ¦
Cg
VCC
System power
supply
CPU
VSS
Caution Start communication under stable condition after power-on the power supply in the system.
Figure 52 Application Circuit 2
Caution The above connection diagrams do not guarantee operation. Set the constants after performing
sufficient evaluation using the actual application.
Seiko Instruments Inc.
41
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