input.tan.summary

基于CPLD的4X4键盘输入+液晶显示程序

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 2.926 ns
From           : keyin[1]
To             : keyboard4_4:inst2|leds[2]
From Clock     : 
To Clock       : CLK
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 13.109 ns
From           : led4bits7seg:inst4|data[8]
To             : DATA[8]
From Clock     : CLK
To Clock       : 
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 4.774 ns
From           : ENTER
To             : led4bits7seg:inst4|change
From Clock     : 
To Clock       : CLK
Failed Paths   : 0

Type           : Clock Setup: 'CLK'
Slack          : N/A
Required Time  : None
Actual Time    : 68.99 MHz ( period = 14.494 ns )
From           : led4bits7seg:inst4|BW[2]
To             : led4bits7seg:inst4|data[6]
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           : led4bits7seg:inst4|clr
To             : led4bits7seg:inst4|g[0]
From Clock     : CLK
To Clock       : CLK
Failed Paths   : 12

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 12

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