
RTD Embedded Technologies, Inc.
|
www.rtd.com
13
DMx820 User’s Manual
3.3.1
DM35820HR
AND
DM9820HR
The following diagram shows the location of all connectors and jumpers on the DM9820HR. For a description of each jumper and connector,
refer to the following sections.
Figure 3: DM7820HR and DM8820HR Connectors and Jumpers
3.3.2
E
XTERNAL
I/O
C
ONNECTORS
NOTE: Pin 1 can be identified by a square solder pad. Pins 2
–
50 have
round solder pads.
Connector CN10
–
Digital Input / Output
Connector CN10 provides 24 digital input/output lines, along with a +5V pin and ground pins. The pin assignments for CN10 are shown in
Table 1.
Table 4: CN10 Pin Assignments
Signal
Pin
Pin
Signal
P2[7]
1
2
Strobe2
P2[6]
3
4
GND
P2[5]
5
6
GND
P2[4]
7
8
GND
P2[3]
9
10
GND
P2[2]
11
12
GND
P2[1]
13
14
GND
P2[0]
15
16
GND
PC/104-Express Connector
PC/104-Plus Connector (DM9820HR only)
CN11
Digital I/O
CN10
Digital I/O