JCM GOLD GP-965 User Manual - page 15
GP-965 USER’S MANUAL
15
Table 2-4 Port 2 Allocation
Port No. Pin No. I/O
Function
0
47
/ALE
External interface bus control signal /ALE
1
46
/DS
External interface bus control signal /DS
2
45
R/W
External interface bus control signal R/W
3
44
/DM
External interface bus control signal /DM
4
43
I
Timing signal
5
42
Not used
6
41
I
Printer’s Reset signal
7
40
I
/STB signal (Parallel port)
Table 2-5 Port 3 Allocation
Port No. Pin No. I/O Function
0
31
O
DC Motor Drive signal, H: ON, L: OFF
1
30
O
Stepping Motor Common Drive signal, H: ON, L: OFF
2
29
O
RELEASE Magnet Drive signal, H: ON, L: OFF
3
28
O
/ACK signal (Parallel port)
4
27
O
BUSY signal
5
26
O
No Paper signal
6
25
O
TXD signal (RS-232)
7
24
I
RXD signal (RS-232)
Table 2-6 Port 4 Allocation
Port No. Pin No. I/O Function
0
15
I
Receive Data line D0 in Parallel port
1
14
I
Receive Data line D1 in Parallel port
2
13
I
Receive Data line D2 in Parallel port
3
12
I
Receive Data line D3 in Parallel port
4
11
I
Receive Data line D4 in Parallel port
5
10
I
Receive Data line D5 in Parallel port
6
9
I
Receive Data line D6 in Parallel port
7
8
I
Receive Data line D7 in Parallel port
Table 2-7 Port 5 Allocation
Port No. Pin No. I/O Function
0
50
O
Stepping Motor signal
1
51
O
Stepping Motor signal
2
52
O
Stepping Motor signal
3
53
O
Stepping Motor signal
4
54
Not used
5
55
Not used
6
21
I
TOF Detect signal, H: Paper Loaded, L: No Paper
7
22
I
BOF Detect signal, H: Paper Loaded, L: No Paper