实验二 十进制计数器设计和验证.doc 实验二步骤.ppt 写出要显示的符号与数码管段的对应关系,假定输出为0时点亮数码管: 显示符号 数码管 dp g f e d c b a 0 1 1 0 0 0 0 0 0 1 _______(1)_______ 2 _______(2)_______ 3 _______(3)_______ 4 _______(4)_______ 5 _______(5)_______ 6 _______(6)_______ 7 _______(7)_______ 8 _______(8)_______ 9 _______(9)_______ A _______(10)_______ b _______(11)_______ C _______(12)_______ d _______(13)_______ E _______(14)_______ F _______(15)_______