DE4 User Manual
61
www.terasic.com
June 20, 2018
Figure 2
–26 Overall connection of the Ethernet devices
Table 2–25 Default Configuration for Gigabit Ethernet
Configuration
Ethernet MAC port
Default Value
PHYADDR[4:0]
PHY Address in MDIO/MDC
Mode
00000 for Enet0; 00001 for Enet1; 00010 for
Enet2; 00011 for Enet3
ENA_PAUSE
Enable Pause
0-Default Register 4.11:10 to 00
ANEG[3:0]
Auto negotiation
configuration for copper
modes
1110-Auto-neg, advertise all capabilities,
prefer master
ENA_XC
Enable Crossover
0-Disable
DIS_125
Disable 125MHz clock
1-Disable 125CLK
HWCFG[3:0]
Hardware Configuration
Mode
0100 SGMII without clock with SGMII
Auto-Neg to copper
DIS_FC
Disable fiber/copper
interface
1-Disable
DIS_SLEEP
Energy detect
1-Disable energy detect
SEL_TWSI
Interface select
0-Select MDC/MDIO interface
INT_POL
Interrupt polarity
1-INTn signal is active LOW
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 ...