进行vivado开发时,Generate Bitstream报错[DRC NSTD-1],详细解决步骤 原答案来自原答案 报错如下 [Drc 23-20] Rule violation (NSTD-1) Unspecified I/O Standard - 4 out of 142 logical ports use I/O standard (IOSTANDARD) value 'DEFAULT',
一、报错信息如下: [DRC NSTD-1] Unspecified I/O Standard: 1 out of 9 logical ports use I/O standard (IOSTANDARD) value 'DEFAULT', instead of a user assigned specific value. This may cause I/O contention or incompatibility with the board power or connectivity affecting performance, signal in...
报错如下 [Drc 23-20] Rule violation (NSTD-1) Unspecified I/O Standard - 4 out of 142 logical ports use I/O standard (IOSTANDARD) value 'DEFAULT', instead of a user assigned specific value. This may cause I/O contention or incompatibility with the board power or connectivity affecting per...
out =4'b1011;elseif({in1, in0} ==2'b11) out =4'b0111;elseout =4'b1111;endendmodule 然后报错 [Vivado 12-1345]Error(s) found during DRC. Bitgen not run[DRC NSTD-1]UnspecifiedI/O Standard:6out of6logical ports use I/O standard (IOSTANDARD) value'DEFAULT', instead of a user ...