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Yes I will give the JTAG a go, but I cannot isolate the nStatus's and Config_Done's.
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That should not matter for this test.
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If one of the devices feel that it has not been configurated I will not get Config_Done going high. The Quartus programming tool will report this as an error. I do not know what nStatus will do? I will try this.
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If the first device is configured from EPCS, and the EPCS is setup to ignore CONF_DONE assertion, then it should configure the first device, and be done. CONF_DONE will not assert, but the first FPGA will be configured, and just "stalled" waiting for CONF_DONE to be released.
If you then program the second device via JTAG - while bypassing the first device - then the second device should configure and release CONF_DONE, and both devices will enter user mode.
Cheers,
Dave
Honored Contributor
