RX5C348A Datasheet, PDF (2/45 Pages) RICOH electronics devices division – 4-WIRE SERIAL INTERFACE

Rx5C348A/B
PIN CONFIGURATION
BLOCK DIAGRAM
Rx5C348A/B
32KOUT 1
SCLK 2
SO ³
SI ⁴
VSS ⁵
10 VDD
9 _OSCIN
8 _OSCOUT
7 _CE
6 _/INTR
TOP VIEW
32KOUT
OSCIN
OSCOUT
/INTR
32kHz
OUTPUT
CONTROL
DIVIDER
OSC CORREC
DIV
-TION
COMPARATOR_W
COMPARATOR_D
ALARM_W REGISTER
(MIN,HOUR, WEEK)
ALARM_D REGISTER
(MIN,HOUR)
TIME COUNTER
(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)
VOLTAGE
DETECT
OSC
DETECT
ADDRESS
DECODER
ADDRESS
REGISTER
I/O
CONTROL
INTERRUPT CONTROL
SHIFT REGISTER
VDD
VSS
SCLK
SI
SO
CE
12345
Rev.2.01
-2-