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Warning
When downloading via parallel JTAG programmer to FPGA, it can happen that programming fails with Error: "'1' : Programming terminated. DONE did not go high." Try setting DIP switch S4 to JTAG-only. A bug in certain Xilinx iMPACT versions can cause this.

For further information about indirect (SPI over JTAG) in-system programming of SPI Flash memories, please see Xilinx Application Note XAPP974 "Indirect Programming of SPI Serial Flash PROMs with Spartan-3A FPGAs".

TE0300 Example

The following example shows the case of iMPACT 10.1.

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  • Switch S3 back to the "FX PON" position. In case you uploaded the reference design, you should see the on-board led blinking at 0.5 Hz.

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Warning
When downloading via parallel JTAG programmer to FPGA, it can happen that programming fails with Error: "'1' : Programming terminated. DONE did not go high." Try setting DIP switch S4 to JTAG-only. A bug in certain Xilinx iMPACT versions can cause this.