• 2022-11-02
    (多选题, 2分)时钟上升沿检测语句可以是?
    A: CLK'EVENT AND CLK='1'
    B: CLK'EVENT AND CLK='0' AND CLK'LAST_VALUE='1'
    C: CLK'LAST_VALUE='1' AND CLK='0'
    D: RISING_EDGE(CLK)
    E: FALLING_EDGE(CLK)
    F: CLK'EVENT AND CLK='1' AND CLK'LAST_VALUE='0'
    G: CLK'LAST_VALUE='0' AND CLK='1'