HI, I have puzzle
if I am write something like that
initial begin$dumpfile("dump.vcd");$dumpvars(1);#100ns rst_n = 0;#100ns rst_n = 1;
// Align to negedge to drive traffic#5ns;
awaddr = 'h15;awvalid = 1;#10nsawaddr = 'h25;wvalid = 1;wdata = 'h10;
#10nsawaddr = 'h35;wdata = 'h20;
#10nsawvalid = 0;wdata = 'h30;
#10nswvalid = 0;#100ns$finish();
What should be come out for first Address 0x15 or 0x25 for slave according to axi4 protocol.BR,
Mayank
There isn't any AXI protocol reason for the failure you are seeing, so it sounds as if some RTL code in your design has delays built into it such that it can't operate with the faster clocks. Do any of your modules have # delays in them ?