5.9.3. 10/100/1000 Ethernet (FPGA)
The development board supports two RJ45 10/100/1000 base-T Ethernet using Marvell 88E1111. SGMII AC coupling interface is used between PHY and FPGA transceiver.
Figure 35. MII Interface between FPGA (MAC) and PHY
| FPGA Pin Assignment | Schematic Signal Name | Direction | Description |
|---|---|---|---|
| AK38 | ENETA_TX_N | Output | Ethernet Port A Transmitter |
| AK39 | ENETA_TX_P | Output | Ethernet Port A Transmitter |
| AG32 | ENETA_RX_N | Input | Ethernet Port A Receiver |
| AG33 | ENETA_RX_P | Input | Ethernet Port A Receiver |
| AL36 | ENETB_TX_N | Output | Ethernet Port B Transmitter |
| AL37 | ENETB_TX_P | Output | Ethernet Port B Transmitter |
| AH34 | ENETB_RX_N | Input | Ethernet Port B Receiver |
| AH35 | ENETB_RX_P | Input | Ethernet Port B Receiver |
| AG29 | CLK_ENET_FPGA_P | Input | 125 MHz Reference clock from Clock Synthesizer |
| AG28 | CLK_ENET_FPGA_N | Input | 125 MHz Reference clock from Clock Synthesizer |