RX5C348A Datasheet, PDF (37/45 Pages) RICOH electronics devices division – 4-WIRE SERIAL INTERFACE

Typical Applications
Typical Power Circuit Configurations
Sample circuit configuration 1
OSCIN
OSCOUT
VDD
32768Hz
System power supply
*1)
Rx5C348A/B
*1) Install bypass capacitors for high-frequency
and low-frequency applications in parallel in
close vicinity to the Rx5C348A/B.
VSS
Sample circuit configuration 2
OSCIN
OSCOUT
VDD
32768Hz
System power supply
*1) When using an OR diode as a power supply for
the Rx5C348A/B ensure that voltage
exceeding the absolute maximum rating of
VDD+0.3v is not applied the 32KOUT pin.
*1)
Primary
Battery
VSS
OSCIN
OSCOUT
VDD
32768Hz
System power supply
*1)
VSS
Rev.2.01
Secondary
Battery
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