serial.tan.summary

vhdl的很多例子

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : -4.492 ns
From           : rxd_usb
To             : serial_test:inst|rxd_reg1
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 14.284 ns
From           : serial_test:inst|txd_reg
To             : txd_usb
From Clock     : clk
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 5.046 ns
From           : rxd_usb
To             : serial_test:inst|rxd_reg1
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : N/A
Required Time  : None
Actual Time    : 140.79 MHz ( period = 7.103 ns )
From           : serial_test:inst|div_reg[9]
To             : serial_test:inst|div_reg[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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