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always @(posedge CLK_50M or negedge PORB)
+ Q5 A9 I, J- y! W3 ~begin
& M \- J% Z8 h; g if(!PORB)
' I L5 z0 h# V& S5 [" g1 J( U0 g! z+ ~ sys_signal_d1 <= #1 1b'0;/ [: T) D! {- i0 }6 g% a- x
else2 E) F; O0 I' G+ [4 |
sys_signal_d1 <= #1 sys_signal;, A% R4 \9 r, f# U; U
end
. P/ P6 N7 } @# V7 H: i6 a! ~/ \) [- C, a2 I
assign sys_signal_pul = sys_signal & ! sys_signal_d1; K; F% j' K- P" T( o2 b' L9 @2 o
" E1 i& w7 E6 m+ g9 p! j4 ]7 ]always @(posedge sys_signal or negedge sys_signal_pul)
, n6 p2 w; ^' A5 [8 zbegin
& U( N) a# `' g% @1 A if(!sys_signal_pul)
2 [) [. v% F& E4 l6 O rst_B1 <= #1 1'b0;
9 U; V# _% N! i! |( N! D- L else" F, ]; |* D* ]. m: ]
rst_B1 <= #1 1'b1;
V! {" C p4 Fend |
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