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R2045S Datasheet(PDF) 2 Page - RICOH electronics devices division

Part No. R2045S
Description  4-wire Serial Interface Real Time Clock Module
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Maker  RICOH [RICOH electronics devices division]
Homepage  http://www.ricoh.com
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R2045S Datasheet(HTML) 2 Page - RICOH electronics devices division

 
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R2045S/D
2
PIN CONFIGURATION
SCLK
SO
VSS
VDD
N.C.
1
2
3
4
5
6
7
9
TOP VIEW
R2045S (SOP14)
32KOUT
10
8
SI
11
12
13
14
N.C.
VPP
N.C.
N.C.
CE
N.C.
INTR
SCLK
SO
VSS
VDD
CE
1
2
3
4
5
6
7
9
TOP VIEW
R2045D (SON22)
32KOUT
10
8
SI
11
15
16
14
VPP
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
18
19
17
21
22
20
INTR
BLOCK DIAGRAM
32kHz
OUTPUT
CONTROL
OSC
COMPARATOR_D
ALARM_D REGISTER
(MIN,HOUR)
ADDRESS
DECODER
ADDRESS
REGISTER
VOLTAGE
DETECT
DIV
TIME COUNTER
(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)
SHIFT REGISTER
I/O
CONTROL
32KOUT
INTERRUPT CONTROL
SCLK
DIVIDER
CORREC
-TION
VDD
VSS
COMPARATOR_W
ALARM_W REGISTER
(MIN,HOUR, WEEK)
CE
OSC
DETECT
SI
TEST
CIRCUIT
SO
VPP
INTR


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