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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/SEG18
EP23/SEG19
EP00
EP01
EP02
EP03
EP10
EP11
EP12
EP13
ED0
ED1
ED2
ED3
ED4
ED5/INT
CARR
V
DD
VSS
XIN
XOUT
CNVSS
ED6/XCIN
ED7/XCOUT
NC
Line D
Signal
EP2
1/SEG17
EP20/SEG16
SEG15
SEG14
SEG13
VSS
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM3
COM2
COM1
COM0
ERESET*
NC
I/OI/O