Shriharsha
Newbie level 4
Hello, m working on xps_tft controller. when i try to genarate bitstream, I am getting following error. Can u tell me how to resolve it?
ERROR:LIT:600 - IOBUFDS symbol
"DDR2_SDRAM/DDR2_SDRAM/mpmc_core_0/gen_v5_ddr2_phy.mpmc_phy_if_0/u_phy_io_0/g en_dqs[2].u_iob_dqs/gen_dqs_iob_ddr2.u_iobuf_dqs" (output
signal=DDR2_SDRAM/DDR2_SDRAM/mpmc_core_0/gen_v5_ddr2_phy.mpmc_phy_if_0/u_phy_
io_0/gen_dqs[2].u_iob_dqs/dqs_ibuf) does not have IOSTANDARD specified. Map
is unable to generate a default IOSTANDARD for IOBUFDS, one has to be
explicitly provided.
ERROR:LIT:600 - IOBUFDS symbol
"DDR2_SDRAM/DDR2_SDRAM/mpmc_core_0/gen_v5_ddr2_phy.mpmc_phy_if_0/u_phy_io_0/g en_dqs[2].u_iob_dqs/gen_dqs_iob_ddr2.u_iobuf_dqs" (output
signal=DDR2_SDRAM/DDR2_SDRAM/mpmc_core_0/gen_v5_ddr2_phy.mpmc_phy_if_0/u_phy_
io_0/gen_dqs[2].u_iob_dqs/dqs_ibuf) does not have IOSTANDARD specified. Map
is unable to generate a default IOSTANDARD for IOBUFDS, one has to be
explicitly provided.