A、person who is expert in the choice of food
B、person who is on diet
C、person who can eat a lot
D、person who can cook
第1题:
第2题:
3、下列哪一个表述是正确:
A.always@(posedge CLK or RST)
B.always@(posedge CLK or negedge RST or A)
C.always@(posedge CLK or D or Q)
D.always@(posedge CLK or negedge RST)
第3题:
在MOST数据总线系统中, 把光信号变成电压,然后该电压被发送到MOST收发器。
第4题:
2、选出正确的触发器描述
A.module D_FF (input D,Clock, output reg Q); always@(Clock,D) Q <= D; endmodule
B.module D_FF (input D,Clock, output reg Q); always@(posedge Clock) Q <= D; endmodule
C.module D_FF (input D,Clock, output reg Q); always@(negedge Clock) Q <= D; endmodule
D.module D_FF (input D,Clock, output reg Q); always_ff@(posedge Clock) Q <= D; endmodule
E.module D_FF (input D,Clock, output reg Q); always_ff Q <
第5题:
下列描述中采用时钟clk正边沿触发且rst异步低电平复位的代码描述是
A.always @ (posedge clk, negedge rst) if (rst)
B.always @ (posedge clk, rst) if (!rst)
C.always @ (posedge clk, negedge rst) if (!rst)
D.always @ (negedge clk, posedge rst) if (rst)