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The TE0726-03 has on-board high-speed USB 2.0 to UART/FIFO FT2232H controller from FTDI with external connection to micro-USB connector J1. There is also a 256-byte EEPROM wired to the FT2232H chip via Microwire bus which holds pre-programmed license code to support Xilinx programming tools.
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Do not access the FT2232H EEPROM using FTDI programming tools, doing so will erase normally invisible user EEPROM content and invalidate stored Xilinx JTAG license. Without this license the on-board JTAG will not be accessible any more with any Xilinx tools. Software tools from FTDI website do not warn or ask for confirmation before erasing user EEPROM content. |
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At least FSBL must be loaded from on-board SPI Flash, later all boot process can continue from SD Card. The easiest solution is to let FSBL to load bitstream and u-boot from SPI Flash, and then let u-boot to load Linux or any other OS image from SD Card.
Power and Power-On Sequence
To power-up a module, 5.0V power supply with minimum current capability of 1A is recommended.
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