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input clk,
/ h9 |- b! K6 J$ O5 T3 t; a input rst,# R6 e5 l0 E+ m2 } j. |5 m
output reg [3:0] count
% I$ ]1 }+ S: O1 y& r1 I);
) K" A9 q/ ?) N 6 n3 Z$ ]) {6 N$ Y6 E+ ^
always@(posedge clk) begin 9 v( `: d2 [% I( h z
if(!rst)
3 [" o8 Y4 l4 [% U0 M+ I count<=0; / H- u _9 u! i9 Q
else if(count>=4’d9)
7 J( H' d$ X/ ^3 A% G; [ count<=0; + c/ F; T' B" y' e
else
; `; T" J4 f2 i- [# j6 n& O/ W count<=count+1; : g- @ u! ^* M; M: ^8 g, ]) e
end # [: {& j" {( U' C) _' \& d
endmodule
$ o) Y: `. h( a/ f6 \% L, L4 ?6 N# }5 n这个就是了  |
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