| module strobe_gen #( | |
| parameter TYPE="RISE_EDGE" | |
| ) ( | |
| input I_clk, | |
| input I_signal, | |
| output O_strobe | |
| ); | |
| reg [1:0] sig_r; | |
| generate | |
| if (TYPE=="RISE_EDGE") | |
| initial | |
| sig_r=2'b0; | |
| else | |
| initial | |
| sig_r=2'b11; | |
| endgenerate | |
| always @(posedge I_clk) begin | |
| sig_r<={sig_r[0],I_signal}; | |
| end | |
| assign O_strobe=(sig_r==2'b01); | |
| endmodule | |