Kontron COMe-cOHXX - Manual (Page 21)

Kontron COMe-cOH2/COMe-cOH6 User’s Guide
www.kontron.com
16
4 COM Connectors
The pin-outs for microETXexpress® interface connectors X1A (primary
connector, rows A and B) and X1B (secondary connector, rows C and D) are
documented for convenient reference. See the PICMG COM Express® Specification
on the PICMG website and COM Express® Design Guide on the Kontron website for
detailed, design-level information.
Figure 4: COM Interface Connector Locations
Table 2: General Signal Description Key
Type Description
I/O-3.3 Bi-directional 3.3 V IO-Signal
I/O-5T Bi-dir. 3.3V I/O (5V Tolerance)
I/O-5 Bi-directional 5V I/O-Signal
I-3,3 3.3V Input
I/OD Bi-directional Input/Output Open Drain
I-5T 3.3V Input (5V Tolerance)
OA Output Analog
OD Output Open Drain
O-1,8 1.8V Output
O-3,3 3.3V Output
O-5 5V Output
DP-I/O Differential Pair Input/Output
DP-I Differential Pair Input
DP-O Differential Pair Output