conter8.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    : 119.000 ns
From           : 74390:1|32
To             : cout
From Clock     : enb
To Clock       : 
Failed Paths   : 0

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

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

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

Type           : Clock Hold: 'clk'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : 74390:1|33
To             : 74390:1|33
From Clock     : clk
To Clock       : clk
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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