keyboard.tan.summary

矩阵键盘的vhdl编程,非常的实用,带有去抖动

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 2.912 ns
From           : row[3]
To             : key_scan:u3|scan_code[2]
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 10.862 ns
From           : codetran:u4|key_code[0]
To             : display[7]
From Clock     : clk
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 2.401 ns
From           : row[2]
To             : key_press:u2|sig_2
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : N/A
Required Time  : None
Actual Time    : 82.82 MHz ( period = 12.075 ns )
From           : key_scan:u3|dff2:u1|q
To             : key_scan:u3|sig_1
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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