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问题描述
有人能解释一下在一个连续的 always 块中分配两个连续的非阻塞赋值是什么意思吗?
Can someone explain what it means to assign two consecutive nonblocking assignments in a sequential always block?
例如:
always @(posedge clk) begin
a <= b <= c;
end
推荐答案
可以更清楚地编码为:
a <= (c >= b);
a 被赋予表达式c 大于或等于 b"的值.
a is assigned the value of the expression "c is greater than or equal to b".
第一个 是非阻塞赋值运算符，而第二个是比较运算符.
The 1st <= is the nonblocking assignment operator, whereas, the 2nd is the comparison operator.
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