15
9 Data4
10 Data11
11 Data3
12 Data12
13 Data2
14 Data13
15 Data1
16 Data14
17 Data0
18 Data15
19 Ground
20 NC
21 DREQ
22 Ground
23 IOW#
24 Ground
25 IOR#
26 Ground
27 IRDY
28 Ground
29 DACK#
30 Ground
31 IRQ14
32 NC
33 Address
1
34 Detect
35 Address
0
36 Address
2
37 Select
0
38 Select
1
39 Active
40 Ground
41 +5V
42 +5V
43 Ground
44 NC
CN19, CN20: USB1/2, USB3/4 Connector(Pin Header)
Pin Assignment
Pin Assignment
1 +5V
2 +5V
3 Data0-
4 Data1-
5 Data0+
6 Data1+
7 Ground
8 Ground
9 Key
Pin
10
Ground
CN21: Parallel Port Connector
Pin Assignment Pin Assignment
1 STRPBE 14 AUTOFD
2 PD0 15 ERR
3 PD1 16 INIT
4 PD2 17
SLCTIN
5 PD3 18
Ground
6 PD4 19
Ground
7 PD5 20
Ground
8 PD6 21
Ground
9 PD7 22
Ground
10
ACK# 23 Ground
11
BUSY 24 Ground
12
PE 25
Ground
13
SLCT 26 Ground
CN22: COM2 –RS422/RS485 Connector(Pin Header)
Pin Assignment
1 485RXD-
2
3
4 485TXD-
