diff options
Diffstat (limited to 'rtl')
-rw-r--r-- | rtl/bench/tb_clkmgr.v | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/rtl/bench/tb_clkmgr.v b/rtl/bench/tb_clkmgr.v new file mode 100644 index 0000000..a987e1c --- /dev/null +++ b/rtl/bench/tb_clkmgr.v @@ -0,0 +1,38 @@ +`timescale 1ns / 1ps + +module tb_clkmgr; + + // Input + reg fmc_clk = 1'b0; + + // Clock + always #11.111 fmc_clk = ~fmc_clk; + + // Outputs + wire io_clk; + wire sys_clk; + wire sys_rst_n; + wire core_clk; + + // Internals + reg fmc_clk_inhibit = 1'b0; + + // UUT + alpha_clkmgr uut + ( + .fmc_clk(fmc_clk & ~fmc_clk_inhibit), + .io_clk(io_clk), + .sys_clk(sys_clk), + .sys_rst_n(sys_rst_n), + .core_clk(core_clk) + ); + + // Script + initial begin + #399000; + fmc_clk_inhibit = 1'b1; + #1000; + fmc_clk_inhibit = 1'b0; + end + +endmodule |