s-35190a Seiko Instruments Inc., s-35190a Datasheet - Page 35

• Manufacturer Part Number: s-35190a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.2.4
Examples of Application Circuits
Caution Start communication under stable condition after power-on the power supply in the system.
Caution
Caution
_00
VSS
VDD
XIN
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.
VDD
VSS
C
But pay careful attention to the specifications.
XIN
S-35190A
g
XOUT
S-35190A
C
g
XOUT
SCK
SIO
INT
CS
SCK
SIO
INT
CS
Figure 42 Application Circuit 1
Figure 43 Application Circuit 2
10 kΩ
Seiko Instruments Inc.
10 kΩ
10 kΩ
CPU
VCC
VSS
V
CC
VCC
CPU
VSS
3-WIRE REAL-TIME CLOCK
Set the constants after performing
System power supply
System power supply
CC
≥ V
S-35190A
DD
is possible.
35