DS33Z11 Maxim Integrated Products, DS33Z11 Datasheet - Page 45

• Manufacturer Part Number: DS33Z11
• Description: Network Controller & Processor ICs Ethernet Mapper Ethe rnet-Serial TDM Ethe
• Manufacturer: Maxim Integrated Products

Specifications of DS33Z11

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.13.1 DTE and DCE Mode
The Ethernet MII/RMII port can be configured for DCE or DTE Mode. When the port is configured for the DTE
Mode it can be connected to an Ethernet PHY. In DCE mode, the port can be connected to MII/RMII MAC
devices other than an Ethernet PHY. The DTE/DCE connections for the DS33Z11 in MII mode are shown in the
following 2 figures.
In DCE Mode, the DS33Z11 transmitter is connected to an external receiver and DS33Z11 receiver is connected
to an external MAC transmitter. The selection of DTE or DCE mode is done by the hardware pin DCEDTES.
Figure 8-5 Configured as DTE Connected to an Ethernet PHY in MII Mode
WAN
Arbiter
DS33Z11
Tx
MAC
DTE
45 of 172
Rx
RXD[3:0]
TXD[3:0]
COL_DET
TX_CLK
RX_CRS
RX_ERR
RX_CLK
TX_EN
RXDV
MDIO
MDC
COL_DET
RX_CLK
RX_ERR
RX_CRS
RXDV
TX_EN
RXD[3:0]
TXD[3:0]
TX_CLK
MDIO
MDC
Ethernet Phy
DCE
Rx
Tx