2 PinS anD PaCKaGeS
S1C63003/004/008/016 TeChniCal Manual
Seiko epson Corporation
2-15
(Rev. 1.1)
S1C63004 Pin Description
2.3.2
3.2.1 S1C63004 pin description
Table 2.
Pin name
Pad/pin No.
I/O OP SFT
Function
Default
Shared
function
Chip
QFP14
-80
TQFP14
-100
V
DD
18, 59
28, 58
33, 70
–
–
– Power (+) supply pins
V
SS
5, 55, 62 24, 31,
45
29, 37,
57
–
–
– Power (-) supply pins
V
D1
58
27
32
–
–
– Internal logic voltage regulator output pin
V
OSC
52
21
26
–
–
– Crystal oscillation circuit operating voltage output pin
V
C1
–V
C3
51–49
15–13
15–13
–
–
– LCD system power supply pins
Ca, CB
48, 47
12, 11
12, 11
–
–
– LCD system voltage boost/reduce capacitor connecting pins
OSC1
53
22
27
I
–
– Crystal oscillation input pin
OSC2
54
23
28
O
–
– Crystal oscillation output pin
OSC3
56
25
30
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
57
26
31
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
66
35
41
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
65
34
40
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
64
33
39
I/o
–
D I/O port pin
KRST02
I
OP
– Key reset input pin
KEY02
I
–
SFT Port interrupt input pin
P03
P03
63
32
38
I/o
–
D I/O port pin
KRST03
I
OP
– Key reset input pin
KEY03
I
–
SFT Port interrupt input pin
P10
P10
70
39
45
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
69
38
44
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
68
37
43
I/o
–
D I/O port pin
KEY12
I
–
SFT Port interrupt input pin
BZ
O
–
SFT Sound generator output pin
P13
P13
67
36
42
I/o
–
D I/O port pin
KEY13
I
–
SFT Port interrupt input pin
FOUT
O
–
SFT FOUT clock output pin
P20
P20
13
53
65
I/o OP
– I/O port pin
SEG44
O OP
– LCD segment output pin
P21
P21
12
52
64
I/o OP
– I/O port pin
SEG45
O OP
– LCD segment output pin
P22
P22
11
51
63
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
10
50
62
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
17
57
69
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
16
56
68
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
15
55
67
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
14
54
66
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