DE4 User Manual
147
www.terasic.com
June 20, 2018
the internal FIFO shown in
Figure 5–32
.
Figure 5
–32 SGMII interface MAC Configuration
In the Mac Options section, the Ethernet MAC Options can be equipped selectively according to the
users; the MDIO module that controls the PHY Management Module is included associated with
the MAC block as shown
Figure 5–33
. The host Clock divisor is to divide the MAC control register
interface clock to produce the MDC clock output on the MDIO interface. The MAC control register
interface clock frequency is 100 MHz and the desired MDC clock frequency is 2.5 MHz, so a host
clock divisor of 40 should be use.
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 ...