key_board.tan.summary

自己写的键盘的扫描4乘4的键盘VHDL 很好用的

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 25.500 ns
From           : COLUMN[1]
To             : KEYVAL[0]
From Clock     : --
To Clock       : CLK
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 14.100 ns
From           : LINE[0]~reg0
To             : LINE[0]
From Clock     : CLK
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : -2.300 ns
From           : COLUMN[3]
To             : KEYVAL[1]
From Clock     : --
To Clock       : CLK
Failed Paths   : 0

Type           : Clock Setup: 'CLK'
Slack          : N/A
Required Time  : None
Actual Time    : 36.63 MHz ( period = 27.300 ns )
From           : LINE[2]~reg0
To             : KEYVAL[0]
From Clock     : CLK
To Clock       : CLK
Failed Paths   : 0

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 0

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