USB-DIO96H/50 User's Guide
Functional Details
10
Header connectors
The USB-DIO96H/50 has two 50-pin header connectors labeled
P1
and
P2
for pin assignments.
Pull-up/down switches
Use the on-board DIP switches labeled
PORT 1
through
PORT 4
to configure the pull-up/down configuration
for each port. Each set of DIP switches includes four switches labeled 1 to 4. Switch 1 controls PORTA, switch
2 controls PORTB, switch 3 controls PORTCL, and switch 4 controls PORTCH. Figure 5 shows the DIP
switches used to configure Port 1.
Figure 5. Pull-up/down switch configuration
All DIP switches are configured by default for pull-up (
PU
). Slide the switch to the
PD
position to configure for
pull-down.
Signal connections
The USB-DIO96H/50 has two 50-pin header connectors labeled
P1
and
P2
.
Connector P1 provides the following connections:
48 DIO connections (
FIRSTPORTA Bit 0
through
SECONDPORTC Bit 7
)
one ground connection (
GND
)
one power connection (
+5V
)
Connector P2 provides the following connections:
48 DIO connections (
THIRDPORTA Bit 0
through
FOURTHPORTC Bit 7
)
one ground connection (
GND
)
one power connection (
+5V
)
50-pin connector pinout (P1)
Signal name
Pin
Pin
Signal name
GND 50
•
•
49
+5V
FIRSTPORTC Bit 0 48
•
•
47
FIRSTPORTC Bit 1
FIRSTPORTC Bit 2 46
•
•
45
FIRSTPORTC Bit 3
FIRSTPORTC Bit 4 44
•
•
43
FIRSTPORTC Bit 5
FIRSTPORTC Bit 6 42
•
•
41
FIRSTPORTC Bit 7
FIRSTPORTB Bit 0 40
•
•
39
FIRSTPORTB Bit 1
FIRSTPORTB Bit 2 38
•
•
37
FIRSTPORTB Bit 3
FIRSTPORTB Bit 4 36
•
•
35
FIRSTPORTB Bit 5
FIRSTPORTB Bit 6 34
•
•
33
FIRSTPORTB Bit 7
FIRSTPORTA Bit 0 32
•
•
31
FIRSTPORTA Bit 1
FIRSTPORTA Bit 2 30
•
•
29
FIRSTPORTA Bit 3
FIRSTPORTA Bit 4 28
•
•
27
FIRSTPORTA Bit 5
FIRSTPORTA Bit 6 26
•
•
25
FIRSTPORTA Bit 7
SECONDPORTC Bit 0 24
•
•
23
SECONDPORTC Bit 1
SECONDPORTC Bit 2 22
•
•
21
SECONDPORTC Bit 3
SECONDPORTC Bit 4 20
•
•
19
SECONDPORTC Bit 5
SECONDPORTC Bit 6 18
•
•
17
SECONDPORTC Bit 7
SECONDPORTB Bit 0 16
•
•
15
SECONDPORTB Bit 1
SECONDPORTB Bit 2 14
•
•
13
SECONDPORTB Bit 3
SECONDPORTB Bit 4 12
•
•
11
SECONDPORTB Bit 5
SECONDPORTB Bit 6 10
•
•
9
SECONDPORTB Bit 7
SECONDPORTA Bit 0 8
•
•
7
SECONDPORTA Bit 1
SECONDPORTA Bit 2 6
•
•
5
SECONDPORTA Bit 3
SECONDPORTA Bit 4 4
•
•
3
SECONDPORTA Bit 5
SECONDPORTA Bit 6 2
•
•
1
SECONDPORTA Bit 7
