4
EPSON
S1C63656 TECHNICAL MANUAL
CHAPTER 1: OUTLINE
1.4 Pin Description
Table 1.4.1 Pin description
Pin name
V
DD
V
SS
V
DDA
V
SSA
V
D1
V
OSC
V
C1
–V
C3
CA, CB
OSC1
OSC2
OSC3
OSC4
K00–K03
K10–K13
P00–P03
P10
P11
P12
P13
R00
R01
R02
R03
AO1
AO2
BO1
BO2
COM0–COM3
SEG0–SEG37
SEN0
SEN1
REF0
REF1
HUD
RFIN0
RFIN1
RFOUT
BZ
RESET
TEST
Function
Power (+) supply pin
Power (–) supply pin
Analog system power (+) supply pin (=V
DD
)
Analog system power (–) supply pin (=V
SS
)
Internal logic operating voltage output pin
Oscillation system regulated voltage output pin
LCD system power supply pin
LCD system voltage booster capacitor connecting pin
Crystal oscillation input pin
Crystal oscillation output pin
Ceramic or CR oscillation input pin (selected by mask option)
Ceramic or CR oscillation output pin (selected by mask option)
Input port pins
Input port pins
I/O port pins
I/O port or serial I/F data input pin (selected by software)
I/O port or serial I/F data output pin (selected by software)
I/O port or serial I/F clock I/O pin (selected by software)
I/O port or serial I/F ready signal output pin (selected by software)
Output port pin
Output port pin
Output port or TOUT output pin (selected by software)
Output port or FOUT output pin (selected by software)
Motor driver Ch. 1 drive pulse output pin 1
Motor driver Ch. 1 drive pulse output pin 2
Motor driver Ch. 2 drive pulse output pin 1
Motor driver Ch. 2 drive pulse output pin 2
LCD common output pin (1/4 or 1/3 duty is selectable by software)
LCD segment output pin
R/f converter Ch. 0 CR oscillation output pin
R/f converter Ch. 1 CR oscillation output pin
R/f converter Ch. 0 reference resistor CR oscillation output pin
R/f converter Ch. 1 reference resistor CR oscillation output pin
R/f converter AC-bias oscillation output pin for humidity sensor
R/f converter Ch. 0 CR oscillation input pin
R/f converter Ch. 1 CR oscillation input pin
R/f converter oscillation frequency output pin
Sound output pin
Initial reset input pin
Testing input pin
I/O
–
–
–
–
–
–
–
–
I
O
I
O
I
I
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
O
O
I
I
Pin No.
73, 109
35, 104
22, 23
5
31
24
2–4
144, 1
29
30
33
34
74–76, 78
79–82
85, 87–89
92
93
94
96
97
99
100
102
105
106
107
108
142, 143, 71, 72
118–136, 46–64
11
13
10
12
16
8
9
6
103
37
36