isa_lpt.tan.summary

这也是8255的设计,不知道是否好使,希望得到验证

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 1.122 ns
From           : ISA_D[7]
To             : DATA_reg[7]
From Clock     : --
To Clock       : ISA_A[12]
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 17.222 ns
From           : DATA_reg[5]
To             : LPT_D[5]
From Clock     : ISA_A[3]
To Clock       : --
Failed Paths   : 0

Type           : Worst-case tpd
Slack          : N/A
Required Time  : None
Actual Time    : 15.560 ns
From           : ISA_A[1]
To             : ISA_D[1]
From Clock     : --
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 3.375 ns
From           : ISA_D[6]
To             : DATA_reg[6]
From Clock     : --
To Clock       : ISA_A[3]
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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