s-35199a01 Seiko Instruments Inc., s-35199a01 Datasheet - Page 43

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

Rev.1.0
Examples of Application Circuits
Caution Start communication under stable condition after power-on the power supply in the system.
Caution
Caution
_00
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
VDDL
But pay careful attention to the specifications.
XIN
VDD
VSS
VDDL
S-35199A01
C
XIN
g
S-35199A01
XOUT
C
g
XOUT
FOUT
CTRL
F32K
SCK
SIO
INT
FOUT
CS
F32K
SCK
CTR
SIO
INT
CS
Figure 52 Application Circuit 1
Figure 53 Application Circuit 2
L
Seiko Instruments Inc.
10 k Ω
10 k Ω
10 k Ω
3-WIRE REAL-TIME CLOCK
VCC
CPU
VSS
V
Set the constants after performing
CC
VCC
CPU
VSS
System power
supply
CC
System power
supply
S-35199A01
≥ V
DD
is possible.
43