PCI BUS MULTIPLE 8255/8254 ADAPTER CATALOG & DIMENTION

INTRODUCTION
The PCI bus multi-8255/8254 adapter provides total 24 digital I/O ports, each I/O port contains 8 I/O lines, and can be set either input or output by the user's program. Two 8254 on board chips provides six programmable interval timer/counter.

1. The features of the PCI bus multi-8255/8254 adapter are:

1.
 32 bits PCI bus with Plug and Play (PnP) features.
2.
 Programmable I/O control functions.
3.
 Up to 192 I/O lines.
4.
 Up to 6 counter/timer.
5.
 Maximum of 10 MHZ counter rate.
6.
 Support several operating modes that are programmable.
7.
 Support several operating modes that are programmable.



Pin Assignments
The signals assignment of flat cable are shown in the following, where A is the signals assignment of DB50/DB40 connector on the flat cable, and B is the signals assignment of on the card connector, and DB is the signals assignment of university connector of  Sub-D 50.

The assignment for the pin connector on the card, the flat-cable and the DB50 is different!

When you connect flat cable direct to the card, please use assignment A from the flat cable. When you use signals from the card directly, please use B for the pin connection.

When you like to connect Sub-D 50 connector to DB50 connector, please use DB. The pin to pin assigned is shown as DB vs. A.

Sample:

DB
 A
 B
 Function
DB
 A
 B
 Function
1
 1
 2
 P5A1
34
 2
 1
 P5A0
18
 3
 4
 P5A3
2
 4
 3
 P5A2

The pin assignments are shown in the next pages.
1. Connector Pin Assignments (JP1)   U1/U2

DB
 A
 B
 Function
DB
 A
 B
 Function
1
 1
 2
 P1A1
34
 2
 1
 P1A0
18
 3
 4
 P1A3
2
 4
 3
 P1A2
35
 5
 6
 P1A5
19
 6
 5
 P1A4
3
 7
 8
 P1A7
36
 8
 7
 P1A6
20
 9
 10
 P1B1
4
 10
 9
 P1B2
37
 11
 12
 P1B3
21
 12
 11
 P1B4
5
 13
 14
 P1B5
38
 14
 13
 P1B6
22
 15
 16
 P1B7
6
 16
 15
 P1B8
39
 17
 18
 P1C1
23
 18
 17
 P1C2
7
 19
 20
 P1C3
40
 20
 19
 P1C4
24
 21
 22
 P1C5
8
 22
 21
 P1C6
41
 23
 24
 P1C7
25
 24
 23
 P1C8
9
 25
 26
 GND
42
 26
 25
 GND
26
 27
 28
 P2A1
10
 28
 27
 P2A2
43
 29
 30
 P2A3
27
 30
 29
 P2A4
11
 31
 32
 P2A5
44
 32
 31
 P2A6
28
 33
 34
 P2A7
12
 34
 33
 P2A8
45
 35
 36
 P2B1
29
 36
 35
 P2B2
13
 37
 38
 P2B3
46
 38
 37
 P2B4
30
 39
 40
 P2B5
14
 40
 39
 P2B6
47
 41
 42
 P2B7
31
 42
 41
 P2B8
15
 43
 44
 P2C1
48
 44
 43
 P2C2
32
 45
 46
 P2C3
16
 46
 45
 P2C4
49
 47
 48
 P2C5
33
 48
 47
 P2C6
17
 49
 50
 P2C7
50
 50
 49
 P2C8

2. Connector Pin Assignments (JP2)  U3/U4)

DB
 A
 B
 Function
DB
 A
 B
 Function
1
 1
 2
 P3A1
34
 2
 1
 P3A0
18
 3
 4
 P3A3
2
 4
 3
 P3A2
35
 5
 6
 P3A5
19
 6
 5
 P3A4
3
 7
 8
 P3A7
36
 8
 7
 P3A6
20
 9
 10
 P3B1
4
 10
 9
 P3B2
37
 11
 12
 P3B3
21
 12
 11
 P3B4
5
 13
 14
 P3B5
38
 14
 13
 P3B6
22
 15
 16
 P3B7
6
 16
 15
 P3B8
39
 17
 18
 P3C1
23
 18
 17
 P3C2
7
 19
 20
 P3C3
40
 20
 19
 P3C4
24
 21
 22
 P3C5
8
 22
 21
 P3C6
41
 23
 24
 P3C7
25
 24
 23
 P3C8
9
 25
 26
 GND
42
 26
 25
 GND
26
 27
 28
 P4A1
10
 28
 27
 P4A2
43
 29
 30
 P4A3
27
 30
 29
 P4A4
11
 31
 32
 P4A5
44
 32
 31
 P4A6
28
 33
 34
 P4A7
12
 34
 33
 P4A8
45
 35
 36
 P4B1
29
 36
 35
 P4B2
13
 37
 38
 P4B3
46
 38
 37
 P4B4
30
 39
 40
 P4B5
14
 40
 39
 P4B6
47
 41
 42
 P4B7
31
 42
 41
 P4B8
15
 43
 44
 P4C1
48
 44
 43
 P4C2
32
 45
 46
 P4C3
16
 46
 45
 P4C4
49
 47
 48
 P4C5
33
 48
 47
 P4C6
17
 49
 50
 P4C7
50
 50
 49
 P4C8

DB50 Connector Pin Assignments (CN3)

DB
 A
 B
 Function
DB
 A
 B
 Function
1
 1
 2
 P5A1
34
 2
 1
 P5A0
18
 3
 4
 P5A3
2
 4
 3
 P5A2
35
 5
 6
 P5A5
19
 6
 5
 P5A4
3
 7
 8
 P5A7
36
 8
 7
 P5A6
20
 9
 10
 P5B1
4
 10
 9
 P5B2
37
 11
 12
 P5B3
21
 12
 11
 P5B4
5
 13
 14
 P5B5
38
 14
 13
 P5B6
22
 15
 16
 P5B7
6
 16
 15
 P5B8
39
 17
 18
 P5C1
23
 18
 17
 P5C2
7
 19
 20
 P5C3
40
 20
 19
 P5C4
24
 21
 22
 P5C5
8
 22
 21
 P5C6
41
 23
 24
 P5C7
25
 24
 23
 P5C8
9
 25
 26
 GND
42
 26
 25
 GND
26
 27
 28
 P6A1
10
 28
 27
 P6A2
43
 29
 30
 P6A3
27
 30
 29
 P6A4
11
 31
 32
 P6A5
44
 32
 31
 P6A6
28
 33
 34
 P6A7
12
 34
 33
 P6A8
45
 35
 36
 P6B1
29
 36
 35
 P6B2
13
 37
 38
 P6B3
46
 38
 37
 P6B4
30
 39
 40
 P6B5
14
 40
 39
 P6B6
47
 41
 42
 P6B7
31
 42
 41
 P6B8
15
 43
 44
 P6C1
48
 44
 43
 P6C2
32
 45
 46
 P6C3
16
 46
 45
 P6C4
49
 47
 48
 P6C5
33
 48
 47
 P6C6
17
 49
 50
 P6C7
50
 50
 49
 P6C8

4. Connector Pin Assignments (JP4)  U7/U8

DB
 A
 B
 Function
DB
 A
 B
 Function
1
 1
 2
 P7A1
34
 2
 1
 P7A0
18
 3
 4
 P7A3
2
 4
 3
 P7A2
35
 5
 6
 P7A5
19
 6
 5
 P7A4
3
 7
 8
 P7A7
36
 8
 7
 P7A6
20
 9
 10
 P7B1
4
 10
 9
 P7B2
37
 11
 12
 P7B3
21
 12
 11
 P7B4
5
 13
 14
 P7B5
38
 14
 13
 P7B6
22
 15
 16
 P7B7
6
 16
 15
 P7B8
39
 17
 18
 P7C1
23
 18
 17
 P7C2
7
 19
 20
 P7C3
40
 20
 19
 P7C4
24
 21
 22
 P7C5
8
 22
 21
 P7C6
41
 23
 24
 P7C7
25
 24
 23
 P7C8
9
 25
 26
 GND
42
 26
 25
 GND
26
 27
 28
 P8A1
10
 28
 27
 P8A2
43
 29
 30
 P8A3
27
 30
 29
 P8A4
11
 31
 32
 P8A5
44
 32
 31
 P8A6
28
 33
 34
 P8A7
12
 34
 33
 P8A8
45
 35
 36
 P8B1
29
 36
 35
 P8B2
13
 37
 38
 P8B3
46
 38
 37
 P8B4
30
 39
 40
 P8B5
14
 40
 39
 P8B6
47
 41
 42
 P8B7
31
 42
 41
 P8B8
15
 43
 44
 P8C1
48
 44
 43
 P8C2
32
 45
 46
 P8C3
16
 46
 45
 P8C4
49
 47
 48
 P8C5
33
 48
 47
 P8C6
17
 49
 50
 P8C7
50
 50
 49
 P8C8

5. Connector Pin Assignments (JP5)   U16/U17

DB
 A
 B
 Function
DB
 A
 B
 Function
1
 1
 2
 CLK0
2
 2
 1
 GND
3
 3
 4
 OUT0
4
 4
 3
 GATE0
5
 5
 6
 CLK1
6
 6
 5
 GND
7
 7
 8
 OUT1
8
 8
 7
 GATE1
9
 9
 10
 CLK2
10
 10
 9
 GND
11
 11
 12
 OUT2
12
 12
 11
 GATE2
13
 13
 14
 CLK3
14
 14
 13
 GND
15
 15
 16
 OUT3
16
 16
 15
 GATE3
17
 17
 18
 CLK4
18
 18
 17
 GND
19
 19
 20
 OUT4
20
 20
 19
 GATE4
21
 21
 22
 CLK5
22
 22
 21
 GND
23
 23
 24
 OUT5
24
 24
 23
 GATE5
25
 25
 26
 +5V
26
 26
 25
 GND
27
 27
 28
 -12V
28
 28
 27
 GND
29
 29
 30
 +12V
30
 30
 29
 GND
31
 31
 32
 -12V
32
 32
 31
 GND
33
 33
 34
 GND
34
 34
 33
 GND
35
 35
 36
 1MHZ
36
 36
 35
 5MHZ
37
 37
 38
 GND
38
 38
 37
 GND
39
 39
 40
 100MHZ
40
 40
 39
 500MHZ
41



42


43



44


45



46


47



48


49



50