Freescale Semiconductor TWR-MCF52259-Ethenet User Manual page 11

Full duplex operation means that devices at each end of a
link can send and receive data
This means, theoretically, that
normal (half duplex) Ethernet.
Since there are only two devices on a full duplex link, there is no shared
channel and no collisions.
CSMA/CD protocol
prevents this
Half Duplex
DTE
DTE
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simultaneously.
Full Duplex
R
DTE
Full Duplex Ethernet Links
has twice the bandwidth
Full Duplex
S
DTE
DTE
10
full duplex
of
DTE
TM