( 19 / 42 )
(1) Connector J3Table 4.5 lists the pin assignments of the 100-wire half-pitch connector (J3) for connecting thePCA4029. And Figure 4.5 shows the connector J3 pin layout.Table 4.5 Pin assignments of the connector J3Figure 4.5 Connector J3 pin layoutNote: "I" in the direction column denotes "Input"; "O" denotes "Output"; "I/O" denotes "Input/output"; "-" denotes "Not connected".Line A Line B Line C Line D
Pin No.
Signal I/O
Pin No.
Signal I/O
Pin No.
Signal I/O
Pin No.
Signal I/O
1GND 1 GND 1 EP13I/O 1 EP12I/O
2 GND 2 GND 2 ED0I/O 2 EP11I/O
3 GND 3 GND 3 ED1I/O 3 EP10I/O
4 GND 4 GND 4 ED2I/O 4 EP03I/O
5 GND 5 GND 5 ED3I/O 5 EP02I/O
6 GND 6 GND 6 ED4I/O 6 EP01I/O
7 GND 7 GND 7 ED5I/O 7 EP00I/O
8 GND 8 GND 8
D
6
/CNTR0
I/O 8 P43/AIN7 I/O
9 GND 9 GND 9
D
7
/CNTR1
I/O 9 P42/AIN6 I/O
10 GND 10 GND 10 P50I/O 10 P41/AIN5 I/O
11 GND 11 GND 11 P51I/O 11 P40/AIN4 I/O
12 GND 12 GND 12 P52I/O 12
A
IN3
/COM1+
I
13 GND 13 GND 13 P53I/O 13
A
IN2
/COM1-
I
14 GND 14 GND 14 P20/SCK I/O 14
A
IN1
/COM0+
I
15 GND 15 GND 15 P21/SOUT I/O 15
A
IN0
/COM0-
I
16 GND 16 GND 16 P22/SIN I16P33I/O
17 GND 17 GND 17 RESET I 17 P32I/O
18 GND 18 GND 18 CNVSS -18P31/INT1 I/O
19 GND 19 GND 19 XOUT -19P30/INT0 I/O
20 GND 20 GND 20 XIN -20VDCE I
21 GND 21 GND 21 VSS 21 VDD
22 GND 22 GND 22 NC - 22 NC -
23 GND 23 GND 23 NC - 23 NC -
24 GND 24 GND 24 NC - 24 NC -
25 GND 25 GND 25 NC - 25 NC -