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Warning (10631): VHDL Process Statement warning at my_latch.vhd(37): inferring latch(es) for signal or variable "out_0", which holds its previous value in one or more paths through the process;6 Z z2 E) e3 X/ I
Warning: Found combinational loop of 1 nodes8 M2 c/ C& s0 {
Warning: Node "my_latch:inst14|out_3~16";' Z2 R% f O7 T3 K# y; }
这两个警告如何消除啊??
, U2 Y; p; S2 [2 I' w4 P6 ?
! }$ t# x, @/ x: v& G! P6 DWarning (10631): VHDL Process Statement warning at my_latch.vhd(37): inferring latch(es) for signal or variable "out_0", which holds its previous value in one or more paths through the process;
0 X! [' t! y5 a! ]! q% t3 J! k这个警告的话,是因为编写VHDL语言时,用了不完整的IF语句,产生了锁存器,为什么很多资料中提到在VHDL语言中尽量避免使用不完整的IF语句,也就是说尽量不要使用锁存器??但在实际使用中确实需要实现输出锁存,该如何解决啊?谢谢啊!!! |
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