s-35392a Seiko Instruments Inc., s-35392a Datasheet - Page 36

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

36
2-WIRE REAL-TIME CLOCK
S-35392A
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.
VDD
VSS
XIN
C
S-35392A
g
S-35392A
XOUT
C
g
XOUT
32KO
INT2
SDA
SCL
32KO
INT2
SDA
SCL
Figure 43 Application Circuit 1
Figure 44 Application Circuit 2
Seiko Instruments Inc.
10 kΩ
10 kΩ
10 kΩ
10 kΩ
CPU
VCC
VSS
V
Set the constants after performing
VCC
CPU
CC
VSS
System power
supply
CC
System
power supply
≥ V
Rev.1.3
DD
is possible,
_00