2 PinS anD PaCKaGeS
S1C63003/004/008/016 TeChniCal Manual
Seiko epson Corporation
2-9
(Rev. 1.1)
S1C63008 Pin Description
2.2.2
2.2.1 S1C63008 pin description
Table 2.
Pin name
Pad/pin No.
I/O OP SFT
Function
Default
Shared
function
Chip
QFP15/
TQFP14
V
DD
50, 79
58, 93
–
–
– Power (+) supply pins
V
SS
46, 53,
66, 84
54, 63,
80, 98
–
–
– Power (-) supply pins
V
D1
49
57
–
–
– Internal logic voltage regulator output pin
V
OSC
43
51
–
–
– Crystal oscillation circuit operating voltage output pin
V
C1
–V
C3
42–40
50–48
–
–
– LCD system power supply pins
Ca, CB
39, 38
47, 46
–
–
– LCD system voltage boost/reduce capacitor connecting pins
OSC1
44
52
I
–
– Crystal oscillation input pin
OSC2
45
53
O
–
– Crystal oscillation output pin
OSC3
47
55
I
OP
– Ceramic oscillation input pin
I
OP
– CR oscillation (external R) input pin
–
OP
– CR oscillation (built-in R) input pin (Leave the pin open.)
OSC4
48
56
O OP
– Ceramic oscillation output pin
O OP
– CR oscillation (external R) output pin
–
OP
– CR oscillation (built-in R) output pin (Leave the pin open.)
P00
P00
57
71
I/o
–
D I/O port pin
KRST00
I
OP
– Key reset input pin
KEY00
I
–
SFT Port interrupt input pin
RUN_STP
I
–
SFT Stopwatch direct RUN/STOP input pin
(Can be switched to LAP input.)
P01
P01
56
70
I/o
–
D I/O port pin
KRST01
I
OP
– Key reset input pin
KEY01
I
–
SFT Port interrupt input pin
LAP
I
–
SFT Stopwatch direct LAP input pin
(Can be switched to RUN/STOP input.)
P02
P02
55
69
I/o
–
D I/O port pin
KRST02
I
OP
– Key reset input pin
KEY02
I
–
SFT Port interrupt input pin
P03
P03
54
68
I/o
–
D I/O port pin
KRST03
I
OP
– Key reset input pin
KEY03
I
–
SFT Port interrupt input pin
P10
P10
61
75
I/o
–
D I/O port pin
KEY10
I
–
SFT Port interrupt input pin
EVIN_A
I
–
SFT Event counter (programmable timer 0) input pin
P11
P11
60
74
I/o
–
D I/O port pin
KEY11
I
–
SFT Port interrupt input pin
TOUT_A
O
–
SFT Programmable timer 0/1 output pin
P12
P12
59
73
I/o
–
D I/O port pin
KEY12
I
–
SFT Port interrupt input pin
BZ
O
–
SFT Sound generator output pin
P13
P13
58
72
I/o
–
D I/O port pin
KEY13
I
–
SFT Port interrupt input pin
FOUT
O
–
SFT FOUT clock output pin
P20
P20
74
88
I/o OP
– I/O port pin
SEG44
O OP
– LCD segment output pin
P21
P21
73
87
I/o OP
– I/O port pin
SEG45
O OP
– LCD segment output pin
P22
P22
72
86
I/o OP
D I/O port pin
EVIN_B
I
SFT Event counter (programmable timer 2) input pin
SEG46
O OP
– LCD segment output pin
P23
P23
71
85
I/o OP
D I/O port pin
TOUT_B
O
SFT Programmable timer 2 output pin
SEG47
O OP
– LCD segment output pin
P30
P30
78
92
I/o OP
D I/O port pin
SCLK
I/o
SFT Serial I/F clock input/output pin
SEG40
O OP
– LCD segment output pin
P31
P31
77
91
I/o OP
D I/O port pin
SOUT
O
SFT Serial I/F data output pin
SEG41
O OP
– LCD segment output pin
P32
P32
76
90
I/o OP
D I/O port pin
SIN
I
SFT Serial I/F data input pin
SEG42
O OP
– LCD segment output pin
P33
P33
75
89
I/o OP
D I/O port pin
SRDY_SS
i/O
SFT Serial I/F ready output/slave-select input pin
SEG43
O OP
– LCD segment output pin