Kontron ETXexpress-AI - Manual (Page 19)

Kontron ETXexpress-AI User’s Guide
14
4 COM Connectors
The pin-outs for ETXexpress® interface connectors X1A and X1B 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 3: COM Express Connector Locations
Table 2: General Signal Description
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
PU Pull-Up Resistor
PD Pull-Down Resistor
PWR Power Connection