fsq.tan.summary

很精典的一个分频程序

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 10.068 ns
From           : td1[3]
To             : fptd:u4|\label2:c[10]
From Clock     : 
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 23.643 ns
From           : da_tran:u11|counter1[6]
To             : cs
From Clock     : clk
To Clock       : 
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 6.156 ns
From           : en
To             : timer:u3|count3~51
From Clock     : 
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : N/A
Required Time  : None
Actual Time    : 41.75 MHz ( period = 23.952 ns )
From           : da_tran:u11|counter1[6]
To             : piso:u12|q
From Clock     : clk
To Clock       : clk
Failed Paths   : 0

Type           : Clock Hold: 'clk'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : timer:u3|count2[31]
To             : timer:u3|count2~0
From Clock     : clk
To Clock       : clk
Failed Paths   : 3417

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 3417

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