Datasheet

____________________________________________________ DS34S101, DS34S102, DS34S104, DS34S108
Rev: 032609 177 of 198
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
DS34S10x
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
DS34S10x
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
.
PHY
TXD
[
1
:
0
]
RXD
[
1
:
0
]
TX
_
EN
RX
_
DV
DS34S10x
MII
_
TXD
[
3
:
2
]
MII
_
RXD
[
3
:
2
]
MII
_
TX
_
EN
MII
_
RX
_
ERR
MII
_
RX
_
DV
CLK
_
MII
_
TX
RX
_
ERR
CLK