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The JTAG-interface of the mounted 4 x 5 SoM can be accessed via header JX1 or J3 with two additional pins (15,16) as LVDS-pair to supply the mounted 4 x 5 SoM with an external reference clock-signal.
This header has The headers JX1 and J3 have a 'XMOD FTDI JTAG Adapter'-compatible pin-assignment, so in use with the XMOD-FT2232H adapter-board TE0790 can be used in conjunction with the carried board to program the mounted SoM can be programmed via USB interface.
| JX1-pin | JX1-pin Schematic Name | B2B Connector | J3-pin | J3 -in 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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| Note |
|---|
| It is recommended to set and measure the PL IO-bank supply-voltages before mounting of TE 4x5 module to avoid failures and damages to the functionality of the mounted SoM. |
Technical Specifications
Absolute Maximum Ratings
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Overview
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