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IC804 RV5C348A-E2
IC901 MPC18A31FTA
1
2
3
4
5
10
9
8
7
6
VDD
OSC IN
OSC OUT
CE
/INTR
32K OUT
SCLK
SO
SI
VSS
ALARM W REGISTER
(WEEK,MIN,HOUR)
ALARM D REGISTER
(MIN,HOUR)
32KHz
OUTPUT
CONTROL
TIME COUNTER
(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)
SHIFT REGISTER INTERRUPT CONTROL
VOLTAGE
DETECT
DIVIDER
CORRECTION
DIV
OSC
COMPARATOR W
COMPARATOR D
ADDRESS
REGISTER
ADDRESS
DECORDER
OSC
DETECT
I/O
CONTROL
DCIN
DCIN
VB
RS
INM5
2
3
RF5
4
INP3
7
RF3
8
1
CHGSW
48
DCIN
DCIN
VC
+
–
+
–
+
–
++
–
+
–
VC
VG
VC
VC
VC
VBVC
FB
VREG
9
10
VR
12
VREG
RF4
VC
VR
INM3
6
BATM
5
VLD
11
CHGB
CHGMON
VREF
47 46
VB
CLK
44 43
RSTREF
42
CRST
41
XRST
40
VRMC
39
VBTB
3845
FFCLR
37
SYSTEM
CONTROL
SAW
OSC2
+
–
+
–
+
–
BANDGAP
REFERENCE
STEP-UP
DC/DC
CONVERTER
STEP-UP
PRE DRIVER
36
SLEEP
35
XWK1
34
XWK2
33
XWK3
32
XWK4
XRST
29
VCON
28
L1
27
PGND
FFCLR
RF4
INM4
SERON
PWMVC
13 14 15
16
SWVG
17
GND
18
VG
19
INM2
20
DTC
21
INM1
22
RF2
23
+
–
RF1
24
30
VC
31
VCIN
VG
VC
RF1
RF2
STEP-UP
PRE DRIVER
26
L2
25
VROUT
PWM
PWM