Title here
Summary here
The MCIO PCIe 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.
The PCIe nets have been labelled as follows:
Note that although the 8xMCIO connector is divided into two channels A and B, it can also be used as a single 8-lane PCIe connection.
| Pin | Pin name | Net | Description |
|---|---|---|---|
| A1 | GND | GND | Ground |
| A2 | DP1_M2C_P | PERA_1_P | PCIe lane 1 positive (MCIOA-to-FPGA) |
| A3 | DP1_M2C_N | PERA_1_N | PCIe lane 1 negative (MCIOA-to-FPGA) |
| A4 | GND | GND | Ground |
| A5 | GND | GND | Ground |
| A6 | DP2_M2C_P | PERA_2_P | PCIe lane 2 positive (MCIOA-to-FPGA) |
| A7 | DP2_M2C_N | PERA_2_N | PCIe lane 2 negative (MCIOA-to-FPGA) |
| A8 | GND | GND | Ground |
| A9 | GND | GND | Ground |
| A10 | DP3_M2C_P | PERA_3_P | PCIe lane 3 positive (MCIOA-to-FPGA) |
| A11 | DP3_M2C_N | PERA_3_N | PCIe lane 3 negative (MCIOA-to-FPGA) |
| A12 | GND | GND | Ground |
| A13 | GND | GND | Ground |
| A14 | DP4_M2C_P | PERB_0_P | PCIe lane 0 positive (MCIOB-to-FPGA) |
| A15 | DP4_M2C_N | PERB_0_N | PCIe lane 0 negative (MCIOB-to-FPGA) |
| A16 | GND | GND | Ground |
| A17 | GND | GND | Ground |
| A18 | DP5_M2C_P | PERB_1_P | PCIe lane 1 positive (MCIOB-to-FPGA) |
| A19 | DP5_M2C_N | PERB_1_N | PCIe lane 1 negative (MCIOB-to-FPGA) |
| A20 | GND | GND | Ground |
| A21 | GND | GND | Ground |
| A22 | DP1_C2M_P | PETA_1_P | PCIe lane 1 positive (FPGA-to-MCIOA) |
| A23 | DP1_C2M_N | PETA_1_N | PCIe lane 1 negative (FPGA-to-MCIOA) |
| A24 | GND | GND | Ground |
| A25 | GND | GND | Ground |
| A26 | DP2_C2M_P | PETA_2_P | PCIe lane 2 positive (FPGA-to-MCIOA) |
| A27 | DP2_C2M_N | PETA_2_N | PCIe lane 2 negative (FPGA-to-MCIOA) |
| A28 | GND | GND | Ground |
| A29 | GND | GND | Ground |
| A30 | DP3_C2M_P | PETA_3_P | PCIe lane 3 positive (FPGA-to-MCIOA) |
| A31 | DP3_C2M_N | PETA_3_N | PCIe lane 3 negative (FPGA-to-MCIOA) |
| A32 | GND | GND | Ground |
| A33 | GND | GND | Ground |
| A34 | DP4_C2M_P | PETB_0_P | PCIe lane 0 positive (FPGA-to-MCIOB) |
| A35 | DP4_C2M_N | PETB_0_N | PCIe lane 0 negative (FPGA-to-MCIOB) |
| A36 | GND | GND | Ground |
| A37 | GND | GND | Ground |
| A38 | DP5_C2M_P | PETB_1_P | PCIe lane 1 positive (FPGA-to-MCIOB) |
| A39 | DP5_C2M_N | PETB_1_N | PCIe lane 1 negative (FPGA-to-MCIOB) |
| 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 | PERB_3_P | PCIe lane 3 positive (MCIOB-to-FPGA) |
| B13 | DP7_M2C_N | PERB_3_N | PCIe lane 3 negative (MCIOB-to-FPGA) |
| B14 | GND | GND | Ground |
| B15 | GND | GND | Ground |
| B16 | DP6_M2C_P | PERB_2_P | PCIe lane 2 positive (MCIOB-to-FPGA) |
| B17 | DP6_M2C_N | PERB_2_N | PCIe lane 2 negative (MCIOB-to-FPGA) |
| B18 | GND | GND | Ground |
| B19 | GND | GND | Ground |
| B20 | GBTCLK1_M2C_P | CLKB_F_P | 100MHz PCIe reference clock for the FPGA |
| B21 | GBTCLK1_M2C_N | CLKB_F_N | 100MHz PCIe reference clock for the FPGA |
| 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 | PETB_3_P | PCIe lane 3 positive (FPGA-to-MCIOB) |
| B33 | DP7_C2M_N | PETB_3_N | PCIe lane 3 negative (FPGA-to-MCIOB) |
| B34 | GND | GND | Ground |
| B35 | GND | GND | Ground |
| B36 | DP6_C2M_P | PETB_2_P | PCIe lane 2 positive (FPGA-to-MCIOB) |
| B37 | DP6_C2M_N | PETB_2_N | PCIe lane 2 negative (FPGA-to-MCIOB) |
| B38 | GND | GND | Ground |
| B39 | GND | GND | Ground |
| B40 | RES0 | N/C | Not connected |
| C1 | GND | GND | Ground |
| C2 | DP0_C2M_P | PETA_0_P | PCIe lane 0 positive (FPGA-to-MCIOA) |
| C3 | DP0_C2M_N | PETA_0_N | PCIe lane 0 negative (FPGA-to-MCIOA) |
| C4 | GND | GND | Ground |
| C5 | GND | GND | Ground |
| C6 | DP0_M2C_P | PERA_0_P | PCIe lane 0 positive (MCIOA-to-FPGA) |
| C7 | DP0_M2C_N | PERA_0_N | PCIe lane 0 negative (MCIOA-to-FPGA) |
| 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 | SBA_DISABLE_T | Disable sideband A signals |
| C15 | LA10_N | SBB_DISABLE_T | Disable sideband B signals |
| C16 | GND | GND | Ground |
| C17 | GND | GND | Ground |
| C18 | LA14_P | HOST_MODE_N_T | Host mode enable active-low (0:HOST MODE, 1:DEVICE MODE) |
| C19 | LA14_N | LOCAL_CLKS_N_T | Local/remote clock select (0:LOCAL, 1:REMOTE) |
| 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 (FPGA-to-PHY) |
| 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 | 3.3VDC |
| 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 | CLKA_F_P | 100MHz PCIe reference clock for the FPGA |
| D5 | GBTCLK0_M2C_N | CLKA_F_N | 100MHz PCIe 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 | N/C | Not connected |
| D18 | LA13_N | N/C | Not connected |
| D19 | GND | GND | Ground |
| D20 | LA17_P_CC | N/C | Not connected |
| D21 | LA17_N_CC | N/C | Not connected |
| 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 used |
| D30 | TDI | TDI-TDO | JTAG TDI (Connects to TDO to close JTAG chain) |
| D31 | TDO | TDI-TDO | JTAG TDO (Connects to TDI to close JTAG chain) |
| D32 | 3P3VAUX | 3V3AUX | 3.3VDC Power supply for EEPROM |
| D33 | TMS | N/C | Not used |
| D34 | TRST_L | N/C | Not used |
| D35 | GA1 | GA1 | EEPROM Address Bit 0 (A0) |
| D36 | 3P3V_2 | 3V3 | 3.3VDC |
| D37 | GND | GND | Ground |
| D38 | 3P3V_3 | 3V3 | 3.3VDC |
| D39 | GND | GND | Ground |
| D40 | 3P3V_4 | 3V3 | 3.3VDC |
| G1 | GND | GND | Ground |
| G2 | CLK1_M2C_P | N/C | Not used |
| G3 | CLK1_M2C_N | N/C | Not used |
| G4 | GND | GND | Ground |
| G5 | GND | GND | Ground |
| G6 | LA00_P_CC | PERSTA_N_T | PCIe reset for MCIOA (active LOW) |
| G7 | LA00_N_CC | CPRSNTA_N_T | PCIe detect for MCIOA |
| 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 | N/C | Not connected |
| G13 | LA08_N | N/C | Not connected |
| G14 | GND | GND | Ground |
| G15 | LA12_P | MCIOA_I2C_SCL | I2C clock for MCIO Channel A |
| G16 | LA12_N | MCIOA_I2C_SDA | I2C data for MCIO Channel A |
| G17 | GND | GND | Ground |
| G18 | LA16_P | N/C | Not connected |
| G19 | LA16_N | N/C | Not connected |
| 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 | I/O Supply Voltage |
| G40 | GND | GND | Ground |
| H1 | VREF_A_M2C | N/C | Not used |
| H2 | PRSNT_M2C_L | GND | Ground |
| H3 | GND | GND | Ground |
| H4 | CLK0_M2C_P | N/C | Not used |
| H5 | CLK0_M2C_N | N/C | Not used |
| 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 | PERSTA_N_T | PCIe reset for MCIOB (active LOW) |
| H11 | LA04_N | CPRSNTA_N_T | PCIe detect for MCIOB |
| H12 | GND | GND | Ground |
| H13 | LA07_P | N/C | Not used |
| H14 | LA07_N | N/C | Not used |
| H15 | GND | GND | Ground |
| H16 | LA11_P | MCIOB_I2C_SCL | I2C clock for MCIO Channel B |
| H17 | LA11_N | MCIOB_I2C_SDA | I2C data for MCIO Channel B |
| H18 | GND | GND | Ground |
| H19 | LA15_P | RDRV_I2C_SCL | I2C clock for Redrivers |
| H20 | LA15_N | RDRV_I2C_SDA | I2C data for Redrivers |
| 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 | I/O Supply Voltage |