REL 1.0
Page 9 of 53
Cyclone V SoC Qseven SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
1.4
Terminlogy Description
In this document, wherever Signal Type is mentioned, below terminology is used.
Table 2: Terminology
Terminology
Description
I
Input
O
Output
IO
Bidirectional Input/output
CMOS
Complementary Metal Oxide Semiconductor Signal
LVDS
Low Voltage Differential Signal
DIFF
Differential Signal
OD
Open Drain Signal
OC
Open Collector Signal
PU
Pull Up
PD
Pull Down
NA
Not Applicable
NC
Not Connected
Note: Signal Type does not include internal pull-ups or pull-downs implemented by the chip vendors and only includes
the pull-ups or pull-downs implemented On-SOM.
1.5
References
Cyclone V Device Handbook
Cyclone V Device Overview
Qseven Specification Revision 2.0