Komodo CXP Reference Guide
35
Fan Control (J6)
The fan that is connected to the heat-sink above the FPGA can be controlled with a dedicated I/O,
as described in the following table:
Board
reference (J6)
Signal
Name
Arria V GZ
Pin Number
I/O
Standard
Description
1
fan_ctrl
AG24
3.3-V
LVTTL
User controlled fan output. Driving
logic 1 on the I\O port turns the FAN
on; driving logic 0 on the I\O turns the
FAN off
3
fan_tacho
AF24
3.3-V
LVTTL
Fan’s tacho output, used for measuring
the rotation speed of the fan
Table 11: Fan pin assignments, signal name and functions
Figure 16: Fan Connections
Authentication device (U55)
There is an authentication chip on the
Komodo CXP
for use with KAYA IP. If any KAYA IP is
used this chip should be use (explanation regarding this connection can be found in the
documentation of the IP itself). If unused this connection can be left dangling.
Board Components
