key.tan.summary

用VHDL实现的键盘扫描程序 可以稍微修改就可使用

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 10.800 ns
From           : stop
To             : lpm_counter:temp_couter_rtl_1|alt_counter_f10ke:wysi_counter|q[6]
From Clock     : 
To Clock       : clk_in
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 9.700 ns
From           : clk_out~reg0
To             : clk_out
From Clock     : clk_in
To Clock       : 
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 0.900 ns
From           : data_in_h[1]
To             : temp_data_in_h[1]
From Clock     : 
To Clock       : clk_in
Failed Paths   : 0

Type           : Clock Setup: 'clk_in'
Slack          : N/A
Required Time  : None
Actual Time    : 57.47 MHz ( period = 17.400 ns )
From           : lpm_counter:temp_couter_rtl_1|alt_counter_f10ke:wysi_counter|q[6]
To             : lpm_counter:temp_couter_rtl_1|alt_counter_f10ke:wysi_counter|q[1]
From Clock     : clk_in
To Clock       : clk_in
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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