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CHAPTER 1: OUTLINE
1.4 Pin Description
Pin name
V
DD
V
SS
V
DDA
V
SSA
V
D1
V
D2
V
OSC
V
–V
C1
C3
CA, CB
CC, CD
OSC1
OSC2
OSC3
OSC4
K00–K03
K10–K13
P00
P01
P02
P03
P10–P13
R00
R01
R02
R03
R10–R13
COM0–COM7
2–5, 76–79
SEG0–SEG63
110–141, 38–69
SEN0
SEN1
REF
RFIN
RFOUT
CMPP0
CMPM0
BZ
BZ
SVD
RESET
TEST
4
Table 1.4.1 Pin description
Pin No.
I/O
24
–
Power (+) supply pin
31
–
Power (–) supply pin
20
–
Analog system power (+) supply pin (=V
14
–
Analog system power (–) supply pin (=V
28
–
Internal logic system regulated voltage output pin
23
–
1/2V
25
–
Oscillation system regulated voltage output pin
8–10
–
LCD system power supply pin
6, 7
–
LCD system voltage booster capacitor connecting pin
21, 22
–
Voltage halver capacitor connecting pin
26
I
Crystal oscillation input pin
27
O
Crystal oscillation output pin
29
I
Ceramic or CR oscillation input pin (selected by mask option)
30
O
Ceramic or CR oscillation output pin (selected by mask option)
81–84
I
Input port pins
85–88
I
Input port pins
89
I/O
I/O port or serial I/F data input pin (selected by software)
90
I/O
I/O port or serial I/F data output pin (selected by software)
91
I/O
I/O port or serial I/F clock I/O pin (selected by software)
92
I/O
I/O port or serial I/F ready signal output pin (selected by software)
93–96
I/O
I/O port pins
97
O
Output port pin
98
O
Output port pin
99
O
Output port or TOUT output pin (selected by software)
100
O
Output port or FOUT output pin (selected by software)
101–104
O
Output port pins
O
LCD common output pin (1/4, 1/5 or 1/8 duty is selectable by software)
O
LCD segment output pin
18
O
R/f converter sensor 0 CR oscillation output pin
19
O
R/f converter sensor 1 CR oscillation output pin
17
O
R/f converter reference resistor CR oscillation output pin
16
I
R/f converter CR oscillation input pin
15
O
R/f converter oscillation frequency output pin
11
I
Analog comparator non-inverted input pin
12
I
Analog comparator inverted input pin
105
O
Sound output pin
106
O
Sound inverted output pin
13
I
SVD external voltage input pin
33
I
Initial reset input pin
32
I
Testing input pin
Function
voltage halver output pin
DD
EPSON
)
DD
)
SS
S1C63666 TECHNICAL MANUAL
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