PCI-EK01 Users Manual (Rev 1.0)
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http://www.daqsystem.com
[JP1 Description]
It is connected to 82C55 I/O port. It have three 8bits Port (A/B/C), can use input or output
according to program setup. You can see
“PORTB DRV 0” ~ “PORTB DRV 7” like under Figure 3-8.
This is connected by driver that applied a lot of current. (Refer to Schematic)
3
10
9
8
7
6
1
2
5
4
19
18
17
16
15
14
13
12
11
24
23
22
21
20
PVCC(+3.3V/5V)
PVCC(+3.3V/5V)
33
32
31
30
29
28
27
26
25
38
37
36
35
34
40
39
PORTB 0
PORTB 1
PORTB 2
PORTB 3
PORTB 4
PORTB 5
PORTB 6
PORTB 7
Digital Ground
PORTC 0
PORTC 1
PORTC 2
PORTC 3
PORTC 4
PORTC 5
PORTC 6
PORTC 7
Digital Ground
PORTA 0
PORTA 1
PORTA 2
PORTA 3
PORTA 4
PORTA 5
PORTA 6
PORTA 7
Digital Ground
PORTB DRV 0
PORTB DRV 1
PORTB DRV 2
PORTB DRV 3
PORTB DRV 4
PORTB DRV 5
PORTB DRV 6
PORTB DRV 7
EXT RESET
Digital Ground
[Figure 3-8. PCI-EK01 JP1 Connector Pin-out]