DE4 User Manual
99
www.terasic.com
June 20, 2018
Figure 4
–5 External Programmable PLL
GPIO Expansion
Users can connect GPIO expansion card onto either GPIO-0 header or the GPIO-1 header located
on the DE4 board as shown in
Figure 4–6
. Select the daughter card you wish to add to your design
under the appropriate GPIO header where the daughter card is connected to. The system builder
will automatically generate the associated pin assignment including the pin name, pin location, pin
direction, and IO standard.
If a customized daughter board is used, users can select “GPIO Default” followed by changing the
pin name, pin direction, and IO standard according to the specification of the customized daughter
board.
Summary of Contents for ALTERA DE4
Page 1: ...DE4 User Manual 1 www terasic com June 20 2018 ...
Page 54: ...DE4 User Manual 54 www terasic com June 20 2018 ...
Page 83: ...DE4 User Manual 83 www terasic com June 20 2018 Figure 3 8 Access DDR2 SO DIMM memory ...
Page 92: ...DE4 User Manual 92 www terasic com June 20 2018 Figure 3 17 Fan Control of the DE4 ...
Page 150: ...DE4 User Manual 150 www terasic com June 20 2018 Figure 5 35 SOPC builder ...