lcd_v.tan.summary

我买的红色飓风FPGA,EP1C6开发板的配套USBA实验例程 LCD模块的程序

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : -0.256 ns
From           : altera_internal_jtag~TMSUTAP
To             : sld_hub:sld_hub_inst|sld_dffex:IRF_ENA_0|Q[0]
From Clock     : 
To Clock       : altera_internal_jtag~TCKUTAP
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 27.300 ns
From           : lcd:inst1|always4~0
To             : data[4]
From Clock     : mclk
To Clock       : 
Failed Paths   : 0

Type           : Worst-case tpd
Slack          : N/A
Required Time  : None
Actual Time    : 2.124 ns
From           : altera_internal_jtag~TDO
To             : altera_reserved_tdo
From Clock     : 
To Clock       : 
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 18.148 ns
From           : rst
To             : lcd:inst1|lcd_rs
From Clock     : 
To Clock       : mclk
Failed Paths   : 0

Type           : Clock Setup: 'mclk'
Slack          : N/A
Required Time  : None
Actual Time    : 48.66 MHz ( period = 20.552 ns )
From           : lcd:inst1|lcd_e
To             : sld_signaltap:auto_signaltap_0|acq_trigger_in_reg[14]
From Clock     : mclk
To Clock       : mclk
Failed Paths   : 0

Type           : Clock Setup: 'altera_internal_jtag~TCKUTAP'
Slack          : N/A
Required Time  : None
Actual Time    : 100.52 MHz ( period = 9.948 ns )
From           : sld_hub:sld_hub_inst|sld_dffex:\GEN_IRF:1:IRF|Q[3]
To             : sld_hub:sld_hub_inst|hub_tdo
From Clock     : altera_internal_jtag~TCKUTAP
To Clock       : altera_internal_jtag~TCKUTAP
Failed Paths   : 0

Type           : Clock Hold: 'mclk'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : lcd:inst1|state.SWITCHMODE
To             : lcd:inst1|state.CLEAR
From Clock     : mclk
To Clock       : mclk
Failed Paths   : 17

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 17

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