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Altera_Forum
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14 years ago

SOPC Builder and nios ii help

hi... i am new to altera,currently am doing my final year project with altera cyclone ii...i dont know using SOPC builder and nios ii...kindly help me with that...thanks...
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Altera_Forum
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13 years ago

Error: Following DDIO Output nodes could not be placed by the Fitter

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:1:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|output_cell_L[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:1:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|output_cell_H[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:1:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|muxa[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:1:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|ddio_bidira[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:0:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|output_cell_L[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:0:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|output_cell_H[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:0:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|muxa[0]" could not be constrained to a legal location

Error: DDIO Node "ddr_sdram_core:inst|ddr_sdram_component:the_ddr_sdram_component|ddr_sdram_component_auk_ddr_sdram:ddr_sdram_component_auk_ddr_sdram_inst|ddr_sdram_component_auk_ddr_datapath:ddr_io|ddr_sdram_component_auk_ddr_dqs_group:\g_datapath:0:g_ddr_io|altddio_bidir:dqs_io|ddio_bidir_50l:auto_generated|ddio_bidira[0]" could not be constrained to a legal location