Pin Configuration
Pinout table
The Ethernet FMC Max has a high pin count FPGA Mezzanine Card (FMC) connector, providing the connections to the FPGA on the development board. The following table defines the pinout of the FMC connector and describes each pin’s purpose on this mezzanine card.
| Pin | Pin name | Net | Description |
|---|---|---|---|
| A1 | GND | GND | Ground |
| A2 | DP1_M2C_P | DP1_M2C_P | Port 1 PHY SGMII OUT positive |
| A3 | DP1_M2C_N | DP1_M2C_N | Port 1 PHY SGMII OUT negative |
| A4 | GND | GND | Ground |
| A5 | GND | GND | Ground |
| A6 | DP2_M2C_P | DP2_M2C_P | Port 2 PHY SGMII OUT positive |
| A7 | DP2_M2C_N | DP2_M2C_N | Port 2 PHY SGMII OUT negative |
| A8 | GND | GND | Ground |
| A9 | GND | GND | Ground |
| A10 | DP3_M2C_P | DP3_M2C_P | Port 3 PHY SGMII OUT positive |
| A11 | DP3_M2C_N | DP3_M2C_N | Port 3 PHY SGMII OUT negative |
| A12 | GND | GND | Ground |
| A13 | GND | GND | Ground |
| A14 | DP4_M2C_P | N/C | Not connected |
| A15 | DP4_M2C_N | N/C | Not connected |
| A16 | GND | GND | Ground |
| A17 | GND | GND | Ground |
| A18 | DP5_M2C_P | N/C | Not connected |
| A19 | DP5_M2C_N | N/C | Not connected |
| A20 | GND | GND | Ground |
| A21 | GND | GND | Ground |
| A22 | DP1_C2M_P | DP1_C2M_P | Port 1 PHY SGMII IN positive |
| A23 | DP1_C2M_N | DP1_C2M_N | Port 1 PHY SGMII IN negative |
| A24 | GND | GND | Ground |
| A25 | GND | GND | Ground |
| A26 | DP2_C2M_P | DP2_C2M_P | Port 2 PHY SGMII IN positive |
| A27 | DP2_C2M_N | DP2_C2M_N | Port 2 PHY SGMII IN negative |
| A28 | GND | GND | Ground |
| A29 | GND | GND | Ground |
| A30 | DP3_C2M_P | DP3_C2M_P | Port 3 PHY SGMII IN positive |
| A31 | DP3_C2M_N | DP3_C2M_N | Port 3 PHY SGMII IN negative |
| A32 | GND | GND | Ground |
| A33 | GND | GND | Ground |
| A34 | DP4_C2M_P | N/C | Not connected |
| A35 | DP4_C2M_N | N/C | Not connected |
| A36 | GND | GND | Ground |
| A37 | GND | GND | Ground |
| A38 | DP5_C2M_P | N/C | Not connected |
| A39 | DP5_C2M_N | N/C | Not connected |
| A40 | GND | GND | Ground |
| B1 | CLK_DIR | N/C | Not connected |
| B2 | GND | GND | Ground |
| B3 | GND | GND | Ground |
| B4 | DP9_M2C_P | N/C | Not connected |
| B5 | DP9_M2C_N | N/C | Not connected |
| B6 | GND | GND | Ground |
| B7 | GND | GND | Ground |
| B8 | DP8_M2C_P | N/C | Not connected |
| B9 | DP8_M2C_N | N/C | Not connected |
| B10 | GND | GND | Ground |
| B11 | GND | GND | Ground |
| B12 | DP7_M2C_P | N/C | Not connected |
| B13 | DP7_M2C_N | N/C | Not connected |
| B14 | GND | GND | Ground |
| B15 | GND | GND | Ground |
| B16 | DP6_M2C_P | N/C | Not connected |
| B17 | DP6_M2C_N | N/C | Not connected |
| B18 | GND | GND | Ground |
| B19 | GND | GND | Ground |
| B20 | GBTCLK1_M2C_P | N/C | Not connected |
| B21 | GBTCLK1_M2C_N | N/C | Not connected |
| B22 | GND | GND | Ground |
| B23 | GND | GND | Ground |
| B24 | DP9_C2M_P | N/C | Not connected |
| B25 | DP9_C2M_N | N/C | Not connected |
| B26 | GND | GND | Ground |
| B27 | GND | GND | Ground |
| B28 | DP8_C2M_P | N/C | Not connected |
| B29 | DP8_C2M_N | N/C | Not connected |
| B30 | GND | GND | Ground |
| B31 | GND | GND | Ground |
| B32 | DP7_C2M_P | N/C | Not connected |
| B33 | DP7_C2M_N | N/C | Not connected |
| B34 | GND | GND | Ground |
| B35 | GND | GND | Ground |
| B36 | DP6_C2M_P | N/C | Not connected |
| B37 | DP6_C2M_N | N/C | Not connected |
| B38 | GND | GND | Ground |
| B39 | GND | GND | Ground |
| B40 | RES0 | N/C | Not connected |
| C1 | GND | GND | Ground |
| C2 | DP0_C2M_P | DP0_C2M_P | Port 0 PHY SGMII IN positive |
| C3 | DP0_C2M_N | DP0_C2M_N | Port 0 PHY SGMII IN negative |
| C4 | GND | GND | Ground |
| C5 | GND | GND | Ground |
| C6 | DP0_M2C_P | DP0_M2C_P | Port 0 PHY SGMII OUT positive |
| C7 | DP0_M2C_N | DP0_M2C_N | Port 0 PHY SGMII OUT negative |
| C8 | GND | GND | Ground |
| C9 | GND | GND | Ground |
| C10 | LA06_P | N/C | Not connected |
| C11 | LA06_N | N/C | Not connected |
| C12 | GND | GND | Ground |
| C13 | GND | GND | Ground |
| C14 | LA10_P | N/C | Not connected |
| C15 | LA10_N | N/C | Not connected |
| C16 | GND | GND | Ground |
| C17 | GND | GND | Ground |
| C18 | LA14_P | N/C | Not connected |
| C19 | LA14_N | N/C | Not connected |
| C20 | GND | GND | Ground |
| C21 | GND | GND | Ground |
| C22 | LA18_P_CC | N/C | Not connected |
| C23 | LA18_N_CC | N/C | Not connected |
| C24 | GND | GND | Ground |
| C25 | GND | GND | Ground |
| C26 | LA27_P | N/C | Not connected |
| C27 | LA27_N | N/C | Not connected |
| C28 | GND | GND | Ground |
| C29 | GND | GND | Ground |
| C30 | SCL | I2C_SCL | I2C Clock |
| C31 | SDA | I2C_SDA | I2C Data (bidirectional) |
| C32 | GND | GND | Ground |
| C33 | GND | GND | Ground |
| C34 | GA0 | GA0 | EEPROM Address Bit 1 (A1) |
| C35 | 12P0V_1 | 12V0 | 12VDC |
| C36 | GND | GND | Ground |
| C37 | 12P0V_2 | 12V0 | 12VDC |
| C38 | GND | GND | Ground |
| C39 | 3P3V_1 | 3V3 | Not connected |
| C40 | GND | GND | Ground |
| D1 | PG_C2M | PG | Power Good (Driven by carrier) |
| D2 | GND | GND | Ground |
| D3 | GND | GND | Ground |
| D4 | GBTCLK0_M2C_P | GBTCLK0_M2C_P | 125MHz Ethernet reference clock for the FPGA |
| D5 | GBTCLK0_M2C_N | GBTCLK0_M2C_N | 125MHz Ethernet reference clock for the FPGA |
| D6 | GND | GND | Ground |
| D7 | GND | GND | Ground |
| D8 | LA01_P_CC | N/C | Not connected |
| D9 | LA01_N_CC | N/C | Not connected |
| D10 | GND | GND | Ground |
| D11 | LA05_P | N/C | Not connected |
| D12 | LA05_N | N/C | Not connected |
| D13 | GND | GND | Ground |
| D14 | LA09_P | N/C | Not connected |
| D15 | LA09_N | N/C | Not connected |
| D16 | GND | GND | Ground |
| D17 | LA13_P | PG_1V0 | Power good signal from 1.0V buck converter |
| D18 | LA13_N | PG_2V5 | Power good signal from 2.5V buck converter |
| D19 | GND | GND | Ground |
| D20 | LA17_P_CC | MDC_T | MDIO bus clock (FPGA to PHY) |
| D21 | LA17_N_CC | MDIO_T | MDIO bus data (bidirectional) |
| D22 | GND | GND | Ground |
| D23 | LA23_P | N/C | Not connected |
| D24 | LA23_N | N/C | Not connected |
| D25 | GND | GND | Ground |
| D26 | LA26_P | N/C | Not connected |
| D27 | LA26_N | N/C | Not connected |
| D28 | GND | GND | Ground |
| D29 | TCK | N/C | Not connected |
| D30 | TDI | TDI | Connects to TDO to close JTAG chain |
| D31 | TDO | TDO | Connects to TDI to close JTAG chain |
| D32 | 3P3VAUX | 3V3AUX | 3.3VDC Power supply for EEPROM |
| D33 | TMS | N/C | Not connected |
| D34 | TRST_L | N/C | Not connected |
| D35 | GA1 | GA1 | EEPROM Address Bit 0 (A0) |
| D36 | 3P3V_2 | 3V3 | 3.3VDC main FMC power supply |
| D37 | GND | GND | Ground |
| D38 | 3P3V_3 | 3V3 | 3.3VDC main FMC power supply |
| D39 | GND | GND | Ground |
| D40 | 3P3V_4 | 3V3 | 3.3VDC main FMC power supply |
| E1 | GND | GND | Ground |
| E2 | HA01_P_CC | N/C | Not connected |
| E3 | HA01_N_CC | N/C | Not connected |
| E4 | GND | GND | Ground |
| E5 | GND | GND | Ground |
| E6 | HA05_P | N/C | Not connected |
| E7 | HA05_P | N/C | Not connected |
| E8 | GND | GND | Ground |
| E9 | HA09_P | N/C | Not connected |
| E10 | HA09_P | N/C | Not connected |
| E11 | GND | GND | Ground |
| E12 | HA13_P | N/C | Not connected |
| E13 | HA13_P | N/C | Not connected |
| E14 | GND | GND | Ground |
| E15 | HA16_P | N/C | Not connected |
| E16 | HA16_P | N/C | Not connected |
| E17 | GND | GND | Ground |
| E18 | HA20_P | N/C | Not connected |
| E19 | HA20_P | N/C | Not connected |
| E20 | GND | GND | Ground |
| E21 | HB03_P | N/C | Not connected |
| E22 | HB03_P | N/C | Not connected |
| E23 | GND | GND | Ground |
| E24 | HB05_P | N/C | Not connected |
| E25 | HB05_P | N/C | Not connected |
| E26 | GND | GND | Ground |
| E27 | HB09_P | N/C | Not connected |
| E28 | HB09_P | N/C | Not connected |
| E29 | GND | GND | Ground |
| E30 | HB13_P | N/C | Not connected |
| E31 | HB13_P | N/C | Not connected |
| E32 | GND | GND | Ground |
| E33 | HB19_P | N/C | Not connected |
| E34 | HB19_P | N/C | Not connected |
| E35 | GND | GND | Ground |
| E36 | HB21_P | N/C | Not connected |
| E37 | HB21_P | N/C | Not connected |
| E38 | GND | GND | Ground |
| E39 | VADJ_1 | N/C | Adjustable IO power supply voltage |
| E40 | GND | GND | Ground |
| F1 | PG_M2C | N/C | Not connected |
| F2 | GND | GND | Ground |
| F3 | GND | GND | Ground |
| F4 | HA00_P_CC | N/C | Not connected |
| F5 | HA00_P_CC | N/C | Not connected |
| F6 | GND | GND | Ground |
| F7 | HA04_P | N/C | Not connected |
| F8 | HA04_P | N/C | Not connected |
| F9 | GND | GND | Ground |
| F10 | HA08_P | N/C | Not connected |
| F11 | HA08_P | N/C | Not connected |
| F12 | GND | GND | Ground |
| F13 | HA12_P | N/C | Not connected |
| F14 | HA12_P | N/C | Not connected |
| F15 | GND | GND | Ground |
| F16 | HA15_P | N/C | Not connected |
| F17 | HA15_P | N/C | Not connected |
| F18 | GND | GND | Ground |
| F19 | HA19_P | N/C | Not connected |
| F20 | HA19_P | N/C | Not connected |
| F21 | GND | GND | Ground |
| F22 | HB02_P | N/C | Not connected |
| F23 | HB02_P | N/C | Not connected |
| F24 | GND | GND | Ground |
| F25 | HB04_P | N/C | Not connected |
| F26 | HB04_P | N/C | Not connected |
| F27 | GND | GND | Ground |
| F28 | HB08_P | N/C | Not connected |
| F29 | HB08_P | N/C | Not connected |
| F30 | GND | GND | Ground |
| F31 | HB12_P | N/C | Not connected |
| F32 | HB12_P | N/C | Not connected |
| F33 | GND | GND | Ground |
| F34 | HB16_P | N/C | Not connected |
| F35 | HB16_P | N/C | Not connected |
| F36 | GND | GND | Ground |
| F37 | HB20_P | N/C | Not connected |
| F38 | HB20_P | N/C | Not connected |
| F39 | GND | GND | Ground |
| F40 | VADJ_2 | N/C | Adjustable IO power supply voltage |
| J1 | GND | GND | Ground |
| J2 | CLK3_BIDIR_P | N/C | Not connected |
| J3 | CLK3_BIDIR_P | N/C | Not connected |
| J4 | GND | GND | Ground |
| J5 | GND | GND | Ground |
| J6 | HA03_P | N/C | Not connected |
| J7 | HA03_P | N/C | Not connected |
| J8 | GND | GND | Ground |
| J9 | HA07_P | N/C | Not connected |
| J10 | HA07_P | N/C | Not connected |
| J11 | GND | GND | Ground |
| J12 | HA11_P | N/C | Not connected |
| J13 | HA11_P | N/C | Not connected |
| J14 | GND | GND | Ground |
| J15 | HA14_P | N/C | Not connected |
| J16 | HA14_P | N/C | Not connected |
| J17 | GND | GND | Ground |
| J18 | HA18_P | N/C | Not connected |
| J19 | HA18_P | N/C | Not connected |
| J20 | GND | GND | Ground |
| J21 | HA22_P | N/C | Not connected |
| J22 | HA22_P | N/C | Not connected |
| J23 | GND | GND | Ground |
| J24 | HB01_P | N/C | Not connected |
| J25 | HB01_P | N/C | Not connected |
| J26 | GND | GND | Ground |
| J27 | HB07_P | N/C | Not connected |
| J28 | HB07_P | N/C | Not connected |
| J29 | GND | GND | Ground |
| J30 | HB11_P | N/C | Not connected |
| J31 | HB11_P | N/C | Not connected |
| J32 | GND | GND | Ground |
| J33 | HB15_P | N/C | Not connected |
| J34 | HB15_P | N/C | Not connected |
| J35 | GND | GND | Ground |
| J36 | HB18_P | N/C | Not connected |
| J37 | HB18_P | N/C | Not connected |
| J38 | GND | GND | Ground |
| J39 | VIO_B_M2C_1 | N/C | Not connected |
| J40 | GND | GND | Ground |
| K1 | VREF_B_M2C | N/C | Not connected |
| K2 | GND | GND | Ground |
| K3 | GND | GND | Ground |
| K4 | CLK2_BIDIR_P | N/C | Not connected |
| K5 | CLK2_BIDIR_P | N/C | Not connected |
| K6 | GND | GND | Ground |
| K7 | HA02_P | N/C | Not connected |
| K8 | HA02_P | N/C | Not connected |
| K9 | GND | GND | Ground |
| K10 | HA06_P | N/C | Not connected |
| K11 | HA06_P | N/C | Not connected |
| K12 | GND | GND | Ground |
| K13 | HA10_P | N/C | Not connected |
| K14 | HA10_P | N/C | Not connected |
| K15 | GND | GND | Ground |
| K16 | HA17_P_CC | N/C | Not connected |
| K17 | HA17_P_CC | N/C | Not connected |
| K18 | GND | GND | Ground |
| K19 | HA21_P | N/C | Not connected |
| K20 | HA21_P | N/C | Not connected |
| K21 | GND | GND | Ground |
| K22 | HA23_P | N/C | Not connected |
| K23 | HA23_P | N/C | Not connected |
| K24 | GND | GND | Ground |
| K25 | HB00_P_CC | N/C | Not connected |
| K26 | HB00_P_CC | N/C | Not connected |
| K27 | GND | GND | Ground |
| K28 | HB06_P_CC | N/C | Not connected |
| K29 | HB06_P_CC | N/C | Not connected |
| K30 | GND | GND | Ground |
| K31 | HB10_P | N/C | Not connected |
| K32 | HB10_P | N/C | Not connected |
| K33 | GND | GND | Ground |
| K34 | HB14_P | N/C | Not connected |
| K35 | HB14_P | N/C | Not connected |
| K36 | GND | GND | Ground |
| K37 | HB17_P_CC | N/C | Not connected |
| K38 | HB17_P_CC | N/C | Not connected |
| K39 | GND | GND | Ground |
| K40 | VIO_B_M2C_2 | N/C | Not connected |
| G1 | GND | GND | Ground |
| G2 | CLK1_M2C_P | N/C | Not connected |
| G3 | CLK1_M2C_N | N/C | Not connected |
| G4 | GND | GND | Ground |
| G5 | GND | GND | Ground |
| G6 | LA00_P_CC | N/C | Not connected |
| G7 | LA00_N_CC | N/C | Not connected |
| G8 | GND | GND | Ground |
| G9 | LA03_P | N/C | Not connected |
| G10 | LA03_N | N/C | Not connected |
| G11 | GND | GND | Ground |
| G12 | LA08_P | E0_GPIO0_T | Port 0 PHY GPIO0 output |
| G13 | LA08_N | E0_GPIO1_T | Port 0 PHY GPIO1 output |
| G14 | GND | GND | Ground |
| G15 | LA12_P | E0_RESET_N_T | Port 0 PHY reset input (active low) |
| G16 | LA12_N | E1_RESET_N_T | Port 1 PHY reset input (active low) |
| G17 | GND | GND | Ground |
| G18 | LA16_P | E2_GPIO0_T | Port 2 PHY GPIO0 output |
| G19 | LA16_N | E2_GPIO1_T | Port 2 PHY GPIO1 output |
| G20 | GND | GND | Ground |
| G21 | LA20_P | N/C | Not connected |
| G22 | LA20_N | N/C | Not connected |
| G23 | GND | GND | Ground |
| G24 | LA22_P | N/C | Not connected |
| G25 | LA22_N | N/C | Not connected |
| G26 | GND | GND | Ground |
| G27 | LA25_P | N/C | Not connected |
| G28 | LA25_N | N/C | Not connected |
| G29 | GND | GND | Ground |
| G30 | LA29_P | N/C | Not connected |
| G31 | LA29_N | N/C | Not connected |
| G32 | GND | GND | Ground |
| G33 | LA31_P | N/C | Not connected |
| G34 | LA31_N | N/C | Not connected |
| G35 | GND | GND | Ground |
| G36 | LA33_P | N/C | Not connected |
| G37 | LA33_N | N/C | Not connected |
| G38 | GND | GND | Ground |
| G39 | VADJ_3 | VADJ | Adjustable IO power supply voltage |
| G40 | GND | GND | Ground |
| H1 | VREF_A_M2C | N/C | Not connected |
| H2 | PRSNT_M2C_L | GND | Ground |
| H3 | GND | GND | Ground |
| H4 | CLK0_M2C_P | N/C | Not connected |
| H5 | CLK0_M2C_N | N/C | Not connected |
| H6 | GND | GND | Ground |
| H7 | LA02_P | N/C | Not connected |
| H8 | LA02_N | N/C | Not connected |
| H9 | GND | GND | Ground |
| H10 | LA04_P | N/C | Not connected |
| H11 | LA04_N | N/C | Not connected |
| H12 | GND | GND | Ground |
| H13 | LA07_P | E1_GPIO0_T | Port 1 PHY GPIO0 output |
| H14 | LA07_N | E1_GPIO1_T | Port 1 PHY GPIO1 output |
| H15 | GND | GND | Ground |
| H16 | LA11_P | E2_RESET_N_T | Port 2 PHY reset input (active low) |
| H17 | LA11_N | E3_RESET_N_T | Port 3 PHY reset input (active low) |
| H18 | GND | GND | Ground |
| H19 | LA15_P | E3_GPIO0_T | Port 3 PHY GPIO0 output |
| H20 | LA15_N | E3_GPIO1_T | Port 3 PHY GPIO1 output |
| H21 | GND | GND | Ground |
| H22 | LA19_P | N/C | Not connected |
| H23 | LA19_N | N/C | Not connected |
| H24 | GND | GND | Ground |
| H25 | LA21_P | N/C | Not connected |
| H26 | LA21_N | N/C | Not connected |
| H27 | GND | GND | Ground |
| H28 | LA24_P | N/C | Not connected |
| H29 | LA24_N | N/C | Not connected |
| H30 | GND | GND | Ground |
| H31 | LA28_P | N/C | Not connected |
| H32 | LA28_N | N/C | Not connected |
| H33 | GND | GND | Ground |
| H34 | LA30_P | N/C | Not connected |
| H35 | LA30_N | N/C | Not connected |
| H36 | GND | GND | Ground |
| H37 | LA32_P | N/C | Not connected |
| H38 | LA32_N | N/C | Not connected |
| H39 | GND | GND | Ground |
| H40 | VADJ_4 | VADJ | Adjustable IO power supply voltage |