Datasheet
____________________________________________________ DS34T101, DS34T102, DS34T104, DS34T108
343 of 366
15.2
Connecting an Ethernet PHY or MAC
The figures below show the connection of the Ethernet port to a PHY or MAC device, in MII, RMII, and SSMII
modes.
Figure 15-2. Connecting the Ethernet Port to a PHY in MII Mode
Figure 15-3. Connecting the Ethernet Port to a MAC in MII Mode
Figure 15-4. Connecting the Ethernet Port to a PHY in RMII Mode
PHY
TXD[3:0]
RXD
[3:0]
TX
_
EN
RX
_
DV
DS34T10x
MII
_
TXD [ 3: 0 ]
MII
_
RXD
[ 3: 0 ]
MII
_
TX
_
EN
MII
_
TX
_
ERR
MII
_
RX
_
ERR
MII
_
COL
MII
_
RX
_
DV
MII
_
CRS
CLK
_
MII
_
TX
CLK
_
MII
_
RX
TX
_
ERR
RX
_
ERR
COL
CRS
CLK
_
TX
CLK
_
RX
MAC
TXD [3:0]
RXD
[3:0]
TX
_
EN
RX
_
DV
DS34T10x
MII
_
TXD [ 3 :0]
MII
_
RXD
[ 3 :0]
MII
_
TX
_
EN
MII
_
TX
_
ERR
MII
_
RX
_
ERR
MII
_
COL
MII
_
RX
_
DV
MII
_
CRS
CLK
_
MII
_
TX
CLK
_
MII
_
RX
TX
_
ERR
RX
_
ERR
COL
CRS
CLK
_
TX
CLK
_
RX
x x
25 MHz
OSC
.
PH
Y
TXD[1:0]
RXD
[1:0]
TX
_
EN
RX
_
DV
DS34T10x
MII
_
TXD [ 3: 2 ]
MII
_
RXD
[ 3: 2 ]
MII
_
TX
_
EN
MII
_
RX
_
ERR
MII
_
RX
_
DV
CLK
_
MII
_
TX
RX
_
ERR
CLK