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The pin-assignment of the SFP connector is in detail as fellows:
| SFP+ Pin | SFP+ Pin Schematic Name | B2B Connector | Note |
|---|---|---|---|
| Transmit Data + (pin 18) | MGT_TX2_P | JM1-14 | - |
| Transmit Data - (pin 19) | MGT_TX2_N | JM1-16 | - |
| Receive Data + (pin 13) | MGT_RX2_P | JM1-7 | - |
| Receive Data - (pin 12) | MGT_RX2_N | JM1-9 | - |
| Transmit Fault (pin 2) | SFP0_TX_FAULT | JM2-42 | - |
| Transmit disable (pin 3) | SFP0_TX_DIS | JM2-44 | - |
| MOD-DEF2 (pin 4) | SFP0_SDA | JM2-46 | 3.3V pull-up, (usable as I²C-SDA) |
| MOD-DEF1 (pin 5) | SFP0_SCL | JM2-48 | 3.3V pull-up, (usable as I²C-SCL) |
| MOD-DEF0 (pin 6) | SFP0_M0DEF0 | JM2-40 | - |
| RS0 (pin 7) | SFP0_RS0 | JM2-38 | - |
| LOS (pin 8) | SFP0_LOS | JM2-34 | - |
| RS1 (pin 9) | SFP0_RS1 | JM2-32 | - |
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The headers JX1 and J3 have a 'XMOD FTDI JTAG Adapter'-compatible pin-assignment, so in use with the XMOD-FT2232H adapter-board TE0790 the mounted SoM can be programmed via USB interface.
| JX1-pinJX1-pin | Pin Schematic Name | B2B Connector | J3-pinJ3-pin | Pin Schematic Name | B2B Connector | |
|---|---|---|---|---|---|---|
| C (pin 4) | TCK | JM1-90 | 4 | TCK | JM1-90 | |
| D (pin 8) | TDO | JM1-88 | 8 | TDO | JM1-88 | |
| F (pin 10) | TDI | JM1-86 | 10 | TDI | JM1-86 | |
| H (pin 12) | TMS | JM1-92 | 12 | TMS | JM1-92 | |
| A (pin 3) | B14_L25 (usable as UART RX/TX-line) | JM2-97 | 3 | B14_L25 | JM2-97 (usable as UART RX/TX-line) | |
| B (pin 7) | B14_L0 (usable as UART RX/TX-line) | JM2-99 | 7 | B14_L0 | JM2-99 (usable as UART RX/TX-line) | |
| E (pin 9) | BOOTMODE | JM2-100 | 9 | BOOTMODE | JM2-100 | |
| G (pin 11) | PROG_B | JM1-94 | 11 | PROG_B | JM1-94 | |
| - | - | - | 13 | XADC_P | JM1-25 (ADC_P, decoupling capacitator 100 nF) | |
| - | - | - | 14 | XADC_N | JM1-27 (ADC_N, decoupling capacitator 100 nF) | |
| - | - | - | 15 | CLK0_P | JM1-2 (MGT_CLK0_P, 1KΩ serial resistor) | |
| - | - | - | 16 | CLK0_N | JM1-4 (MGT_CLK0_N, 1KΩ serial resistor) |
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