ft_top.tan.summary

用quartus6原理编辑方式写的简易频率计我自己的实验来的 保证能使请您认真查看谢谢

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Timing Analyzer Summary
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Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 130.000 ns
From           : conter8:13|74390:1|32
To             : COUT
From Clock     : CLK
To Clock       : 
Failed Paths   : 0

Type           : Clock Setup: 'CLK'
Slack          : N/A
Required Time  : None
Actual Time    : 9.26 MHz ( period = 108.000 ns )
From           : conter8:13|74390:1|32
To             : 74374:4|19
From Clock     : CLK
To Clock       : CLK
Failed Paths   : 0

Type           : Clock Setup: 'F_IN'
Slack          : N/A
Required Time  : None
Actual Time    : 13.51 MHz ( period = 74.000 ns )
From           : conter8:13|74390:1|32
To             : conter8:13|74390:1|31
From Clock     : F_IN
To Clock       : F_IN
Failed Paths   : 0

Type           : Clock Hold: 'CLK'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : conter8:13|74390:1|33
To             : conter8:13|74390:1|33
From Clock     : CLK
To Clock       : CLK
Failed Paths   : 8

Type           : Clock Hold: 'F_IN'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : conter8:13|74390:1|33
To             : conter8:13|74390:1|33
From Clock     : F_IN
To Clock       : F_IN
Failed Paths   : 8

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 16

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