Pin Configuration
Pinout table
The Quad SFP28 FMC 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 SFP RX positive |
| A3 | DP1_M2C_N | DP1_M2C_N | Port 1 SFP RX negative |
| A4 | GND | GND | Ground |
| A5 | GND | GND | Ground |
| A6 | DP2_M2C_P | DP2_M2C_P | Port 2 SFP RX positive |
| A7 | DP2_M2C_N | DP2_M2C_N | Port 2 SFP RX negative |
| A8 | GND | GND | Ground |
| A9 | GND | GND | Ground |
| A10 | DP3_M2C_P | DP3_M2C_P | Port 3 SFP RX positive |
| A11 | DP3_M2C_N | DP3_M2C_N | Port 3 SFP RX 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 SFP TX positive |
| A23 | DP1_C2M_N | DP1_C2M_N | Port 1 SFP TX negative |
| A24 | GND | GND | Ground |
| A25 | GND | GND | Ground |
| A26 | DP2_C2M_P | DP2_C2M_P | Port 2 SFP TX positive |
| A27 | DP2_C2M_N | DP2_C2M_N | Port 2 SFP TX negative |
| A28 | GND | GND | Ground |
| A29 | GND | GND | Ground |
| A30 | DP3_C2M_P | DP3_C2M_P | Port 3 SFP TX positive |
| A31 | DP3_C2M_N | DP3_C2M_N | Port 3 SFP TX 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 | GBTCLK1_M2C_P | Clock oscillator Si5328 CLKOUT2+ output |
| B21 | GBTCLK1_M2C_N | GBTCLK1_M2C_N | Clock oscillator Si5328 CLKOUT2- output |
| 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 SFP TX positive |
| C3 | DP0_C2M_N | DP0_C2M_N | Port 0 SFP TX negative |
| C4 | GND | GND | Ground |
| C5 | GND | GND | Ground |
| C6 | DP0_M2C_P | DP0_M2C_P | Port 0 SFP RX positive |
| C7 | DP0_M2C_N | DP0_M2C_N | Port 0 SFP RX negative |
| C8 | GND | GND | Ground |
| C9 | GND | GND | Ground |
| C10 | LA06_P | CLK_LOS_ALARM_T | Not connected |
| C11 | LA06_N | I2C_SW_RST_N_T | Not connected |
| C12 | GND | GND | Ground |
| C13 | GND | GND | Ground |
| C14 | LA10_P | SFP2_RS1_T | Port 2 SFP Rate Select RS1 |
| C15 | LA10_N | SFP2_RS0_T | Port 2 SFP Rate Select RS0 |
| C16 | GND | GND | Ground |
| C17 | GND | GND | Ground |
| C18 | LA14_P | SFP3_RS1_T | Port 3 SFP Rate Select RS1 |
| C19 | LA14_N | SFP3_RS0_T | Port 3 SFP Rate Select RS0 |
| C20 | GND | GND | Ground |
| C21 | GND | GND | Ground |
| C22 | LA18_P_CC | SFP3_LOS_T | Port 3 SFP Loss of Signal LOS |
| C23 | LA18_N_CC | SFP3_MOD_ABS_T | Port 3 SFP MOD_ABS |
| 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 | Clock oscillator Si5328 CLKOUT1+ output |
| D5 | GBTCLK0_M2C_N | GBTCLK0_M2C_N | Clock oscillator Si5328 CLKOUT1- output |
| D6 | GND | GND | Ground |
| D7 | GND | GND | Ground |
| D8 | LA01_P_CC | SFP0_GRN_LED_T | Port 0 SFP User bicolor LED Green |
| D9 | LA01_N_CC | SFP0_RED_LED_T | Port 0 SFP User bicolor LED Red |
| D10 | GND | GND | Ground |
| D11 | LA05_P | SFP1_GRN_LED_T | Port 1 SFP User bicolor LED Green |
| D12 | LA05_N | SFP1_RED_LED_T | Port 1 SFP User bicolor LED Red |
| D13 | GND | GND | Ground |
| D14 | LA09_P | SFP2_LOS_T | Port 2 SFP Loss of Signal LOS |
| D15 | LA09_N | SFP2_MOD_ABS_T | Port 2 SFP MOD_ABS |
| D16 | GND | GND | Ground |
| D17 | LA13_P | SFP3_GRN_LED_T | Port 3 SFP User bicolor LED Green |
| D18 | LA13_N | SFP3_RED_LED_T | Port 3 SFP User bicolor LED Red |
| D19 | GND | GND | Ground |
| D20 | LA17_P_CC | SFP3_TX_FAULT_T | Port 3 SFP TX fault |
| D21 | LA17_N_CC | SFP3_TX_DISABLE_T | Port 3 SFP TX disable (FPGA to SFP) |
| 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 | REC_CLK1_P | Recovered clock positive (LVDS, FPGA to Si5328) |
| G7 | LA00_N_CC | REC_CLK1_N | Recovered clock negative (LVDS, FPGA to Si5328) |
| G8 | GND | GND | Ground |
| G9 | LA03_P | SFP0_TX_FAULT_T | Port 0 SFP TX fault |
| G10 | LA03_N | SFP0_TX_DISABLE_T | Port 0 SFP TX disable (FPGA to SFP) |
| G11 | GND | GND | Ground |
| G12 | LA08_P | SFP1_RS1_T | Port 1 SFP Rate Select RS1 |
| G13 | LA08_N | SFP1_RS0_T | Port 1 SFP Rate Select RS0 |
| G14 | GND | GND | Ground |
| G15 | LA12_P | SFP1_TX_FAULT_T | Port 1 SFP TX fault |
| G16 | LA12_N | SFP1_TX_DISABLE_T | Port 1 SFP TX disable (FPGA to SFP) |
| G17 | GND | GND | Ground |
| G18 | LA16_P | SFP2_GRN_LED_T | Port 2 SFP User bicolor LED Green |
| G19 | LA16_N | SFP2_RED_LED_T | Port 2 SFP User bicolor LED Red |
| 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 | SFP0_RS1_T | Port 0 SFP Rate Select RS1 |
| H8 | LA02_N | SFP0_RS0_T | Port 0 SFP Rate Select RS0 |
| H9 | GND | GND | Ground |
| H10 | LA04_P | SFP0_LOS_T | Port 0 SFP Loss of Signal LOS |
| H11 | LA04_N | SFP0_MOD_ABS_T | Port 0 SFP MOD_ABS |
| H12 | GND | GND | Ground |
| H13 | LA07_P | SFP1_LOS_T | Port 1 SFP Loss of Signal LOS |
| H14 | LA07_N | SFP1_MOD_ABS_T | Port 1 SFP MOD_ABS |
| H15 | GND | GND | Ground |
| H16 | LA11_P | PL_I2C_SCL_T | PL I2C bus clock SCL |
| H17 | LA11_N | PL_I2C_SDA_T | PL I2C bus data SDA |
| H18 | GND | GND | Ground |
| H19 | LA15_P | SFP2_TX_FAULT_T | Port 2 SFP TX fault |
| H20 | LA15_N | SFP2_TX_DISABLE_T | Port 2 SFP TX disable (FPGA to SFP) |
| 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 |