DS33X42DK Maxim Integrated Products, DS33X42DK Datasheet - Page 62

• Manufacturer Part Number: DS33X42DK
• Description: Power Management Modules & Development Tools Ethernet Over PDH Ma PDH Mapping Devices
• Manufacturer: Maxim Integrated Products

Specifications of DS33X42DK

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

8.15.1 GMII Mode
GMII interface operates synchronously from the external 125MHz reference, and 23 signals are required. The
following figure shows the GMII architecture. Note that DCE mode is not supported for GMII mode and that GMII is
valid only for full duplex operation.
Figure 8-9. Example Configuration of GMII Interface (DTE Mode Only)
Rev: 063008
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
DS33X/W MAC
Transmit
Receive
Control
RX_CLK1
RX_ERR1
GTX_CLK
RXD[7:0]
RX_CRS1
TX_ERR1
TXD[7:0]
TX_EN1
RX_DV1
MDIO
MDC
GMII PHY
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