DE4 User Manual
60
www.terasic.com
June 20, 2018
Table 2–24 2-pin header
Pin Assignments, Schematic Signal Names, and Functions
Schematic
Signal Name
Description
I/O Standard
Stratix IV GX Pin
Number
EXT_IO
General Purpose I/O
3.0-V
PIN_AC11
Figure 2
–25 PCIe bracket setup with the trigger switch connected to 2-pin header (JP2)
2
2
.
.
1
1
2
2
G
G
i
i
g
g
a
a
b
b
i
i
t
t
E
E
t
t
h
h
e
e
r
r
n
n
e
e
t
t
(
(
G
G
i
i
g
g
E
E
)
)
The DE4 development board is equipped with four Marvell Integrated 10/100/1000 Gigabit
Ethernet transceiver devices. The device is an auto-negotiating Ethernet PHY with a default SGMII
MAC interface. The Marvell device is power by 2.5V and 1.1V power rails and also requiring a
25MHz reference clock driven from a dedicated 25MHz oscillator. The transmitter and receiver
signals of the Marvell device are connected directly to the LVDS I/Os of the Stratix IV GX device
with speeds at 1.2Gbps. The integrated Ethernet transceiver through internal magnetics to RJ45 can
be used to drive copper lines with Ethernet traffic.
Figure 2–26
illustrates the overall structure and
connection between the RJ45 ports and the 88E1111 devices, while
Table 2–25
lists the default
settings for the four chips.
Summary of Contents for ALTERA DE4
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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 ...