frequent.ppn

这是个用VHDL写的测频源程序,最大可测10M,你可以任意修改,但请你更新后发一份给我

// 
// Software Version 8.2
// Targeted Device : ispLSI1032E-70LJ84
// Platform : Windows 98
// Date : Sat Jun 02 15:18:36 2001
// Elapsed Time : 00:00:01
// 
                     GND        SYS          1
                 DATA(7)        OUT          3
                 DATA(6)        OUT          4
                 DATA(2)        OUT          5
                 DATA(3)        OUT          6
                 DATA(5)        OUT          7
                 DATA(0)        OUT          8
                 DATA(4)        OUT          9
                 DATA(1)        OUT         10
                     CLK         IN         20
                     VCC        SYS         21
                     GND        SYS         22
                   RESET        SYS         24
                     GND        SYS         43
                    CLK1         IN         59
                    XCLK         IN         60
                     GND        SYS         64
                     VCC        SYS         65
               CHOICE(4)        OUT         78
               CHOICE(3)        OUT         79
               CHOICE(2)        OUT         80
               CHOICE(1)        OUT         81
               CHOICE(0)        OUT         82
               CHOICE(5)        OUT         83