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| Pin Schematic Name | XMOD Header JX1 Pin | B2B | Note |
|---|---|---|---|
| TCK | C (pin 4) | JM1-90 | - |
| TDO | D (pin 8) | JM1-88 | - |
| TDI | F (pin 10) | JM1-86 | - |
| TMS | H (pin 12) | JM1-92 | - |
| B14_L25 | A (pin 3) | JM2-97 | UART-TX RX (transmit receive line) |
| B14_L0 | B (pin 7) | JM2-99 | UART-RX TX (receive transmit line) |
| BOOTMODE | E (pin 9) | JM2-100 | - |
| PROG_B | G (pin 11) | JM1-94 | - |
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| Pin Schematic Name | Header J3 Pin | B2B | Note |
|---|---|---|---|
| TCK | 4 | JM1-90 | - |
| TDO | 8 | JM1-88 | - |
| TDI | 10 | JM1-86 | - |
| TMS | 12 | JM1-92 | - |
| B14_L25 | 3 | JM2-97 | UART-TX RX (transmit receive line) |
| B14_L0 | 7 | JM2-99 | UART-RX TX (receive transmit line) |
| BOOTMODE | 9 | JM2-100 | - |
| PROG_B | 11 | JM1-94 | - |
| XADC_P | 13 | JM1-25 | Analog input differential pair |
| XADC_N | 14 | JM1-27 | |
| CLK0_N | 15 | JM1-4 | AC decoupled on-board (100 nF capacitor) |
| CLK0_P | 16 | JM1-2 |
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| UART Signal Schematic Name | B2B | XMOD Header JX1 | Pin Header J3 | Note |
|---|---|---|---|---|
| B14_L0 | JM2-99 | JX1-7 | J3-7 | UART-RX TX (receive transmit line) |
| B14_L25 | JM2-97 | JX1-3 | J3-3 | UART-TX RX (transmit receive line) |
Table 10: UART interface signals.
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