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Sundance SMT362 User Manual

Page 16

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SMT362 connected to the SMT562E for Gigabit Ethernet applications. Note the polarity of
each end of the cable.

Virtex 4FX

MAC

MAC

MAC

MAC

DSPA

DSPB

M

A
C

M

A
C

LVTTL33

GMII

HSTL15

RGMII

LVTTL33

GMII

HSTL15

RGMII

Marvell

88E1111

LVCMOS25

GMII

LVCMOS25

RGMII

The default configuration of connecting DSPB’s MAC directly to the 88E1116 PHY
through the Virtex 4 is shown in the diagram above. In this configuration, the Virtex 4
is essentially acting as a voltage translator.

User Manual SMT362

Page 16 of 30

Last Edited: 29/04/2009 08:56