标题: 请问高手reset signal should not be used as set啥意思 [打印本页] 作者: mengzhuhao 时间: 2008-5-8 21:34 标题: 请问高手reset signal should not be used as set啥意思 请问高手reset signal should not be used as set啥意思 & u6 l2 P9 q6 ^9 ~! a' ~5 V; A9 m如按照下面的写法检查工具会提示上面的错误9 ]# V) u# ?( B
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always @(negedge clk)begin 8 Q! z0 m% h/ T2 f s
if(!reset)begin 8 b4 f8 t; B" p# P2 e3 u
clk1<=1; 9 X% P' R6 u2 w( ]# t& s; K clk2<=1;" ~& T6 t1 a- t0 N: j7 u
end 3 t$ `! o2 {' \ else begin 0 s, C0 T( i- N; x- F& }' l. Y
clk1<=clkout2; 0 O7 J/ G0 b* v2 T
clk2<=clk1;' e7 ]2 P/ H; B0 W5 e! N% x
end/ r" _0 g: J2 u7 o$ g
end " i9 P+ h, u$ ]# a# m3 P9 U [email=always@(posedge]always@(posedge[/email] clk)begin+ H0 o$ C; K$ w0 ^
if(!reset)begin $ _$ }7 F2 d* g5 g0 q0 i dataout<=0; 9 r' T3 p# w% Z dataoutemp<=0;8 m1 ]# j# O& e4 m8 g
end# B$ b% ?- b6 q1 g7 K8 Z& O
else if(clkout2&(clk1^clk2))begin 4 q* ^3 a; t; A1 x/ b4 z
dataout<=dataoutemp; ) v& j4 C. |" z/ C. g( F dataoutemp<=dataoutemp+1; & S7 E" ` E7 u' d' V! C8 K0 ?2 p
end& ^4 E' q6 b. @% [( G" |9 `
end