Renesas Single-Chip Microcomputer M34551T2-MCU - Manual (Page 20)

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(1) Connector J3
Table 4.5 lists the pin assignments of 100-wire half-pitch connector (J3) for connecting the
PCA4029. And Figure 4.4 shows the connector J3 pin layout.
Table 4.5 Pin assignments of connector J3
Figure 4.4 Connector J3 pin layout
Note: "I" denotes "Input"; "O" denotes "Output"; "I/O" denotes "Input/output"; "-" denotes "Not
connected".
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
I/O
O
-
-
-
I/O
O
-
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
-
Line A
Signal
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Line B
Signal
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Line C
Signal
EP2
2
/SEG
18
EP2
3
/SEG
19
EP0
0
EP0
1
EP0
2
EP0
3
EP1
0
EP1
1
EP1
2
EP1
3
ED
0
ED
1
ED
2
ED
3
ED
4
ED
5
/INT
CARR
V
DD
V
SS
X
IN
X
OUT
CNV
SS
ED
6
/X
CIN
ED
7
/X
COUT
NC
Line D
Signal
EP2
1
/SEG
17
EP2
0
/SEG
16
SEG
15
SEG
14
SEG
13
V
SS
SEG
12
SEG
11
SEG
10
SEG
9
SEG
8
SEG
7
SEG
6
SEG
5
SEG
4
SEG
3
SEG
2
SEG
1
SEG
0
COM
3
COM
2
COM
1
COM
0
ERESET*
NC
I/O I/O