s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 30

• Manufacturer Part Number: s-35192a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

30
3-WIRE REAL-TIME CLOCK
S-35192A
Examples of Application Circuits
Caution Start communication under stable condition after power-on the power supply in the system.
Caution
Caution
The above connection diagrams do not guarantee operation.
sufficient evaluation using the actual application.
1. Because the I/O pin has no protective diode on the VDD side, the relation of V
2. Start communication under stable condition after power-on the power supply in the system.
VSS
VDD
XIN
But pay careful attention to the specifications.
VSS
VDD
C
XIN
S-35192A
g
XOUT
S-35192A
C
g
XOUT
32KO
SCK
SIO
CS
32KO
SCK
SIO
CS
Figure 33 Application Circuit 1
Figure 34 Application Circuit 2
Seiko Instruments Inc.
10 kΩ
10 kΩ
10 kΩ
CPU
VCC
VSS
V
Set the constants after performing
CC
VCC
CPU
VSS
System power
supply
CC
System
power supply
≥ V
Rev.1.2
DD
is possible.
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