pulse_width_clock:检查出只有脉冲宽度检查的时钟引脚,该时钟引脚没有setup/hold/recovery/removal检查 unconstrained_internal_endpoints:检查出以寄存器数据引脚为时序路径终点,但引脚没有约束 no_input_delay:检查出没有设置输入延时的输入端口 no_output_delay:检查出没有设置输出延时的输出端口 multiple_clock:检查出有...
pulse_width_clock:检查出只有脉冲宽度检查的时钟引脚,该时钟引脚没有setup/hold/recovery/removal检查 unconstrained_internal_endpoints:检查出以寄存器数据引脚为时序路径终点,但引脚没有约束 no_input_delay:检查出没有设置输入延时的输入端口 no_output_delay:检查出没有设置输出延时的输出端口 multiple_clock:检查出有...
4. checking unconstrained_internal_endpoints 5. checking no_input_delay 6. checking no_output_delay 7. checking multiple_clock 8. checking generated_clocks 9. checking loops 10. checking partial_input_delay 11. checking partial_output_delay 12. checking latch_loops 为了尝试效果,我们同样注释掉主时...
3. checking pulse_width_clock 4. checking unconstrained_internal_endpoints 5. checking no_input_delay 6. checking no_output_delay 7. checking multiple_clock 8. checking generated_clocks 9. checking loops 10. checking partial_input_delay 11. checking partial_output_delay 12. checking latch_loops ...
(Answer Record 62296)Design Advisory for 7 Series/Virtex-7 FGPA Gen3 Integrated Block for PCI Express / AXI Bridge for PCI Express (Vivado 2014.1/2014.2/2014.3) - Tool reports 'constant_clock' and 'unconstrained_internal_endpoints' when implementing core configured as Gen1 ...
No Clock and Unconstrained Internal Endpoints Generated Clocks Loops and Latch Loops No Input/Output Delays and Partial Input/Output Delays Multiple Clocks Fixing Issues Flagged by report_methodology Methodology DRCs with Impact on Timing Closure Methodology DRCs with Impact on Signoff Quality...
54643 - 7 Series Integrated Block for PCI Express - Release Notes and Known Issues for Vivado 2013.1 and newer tool versions Description This answer record contains the Release Notes and Known Issues for the 7 Series Integrated Block for PCI Express Core and includes the following: ...
Constrained Clocks---Clockvirtual_clock(166.667MHz)(endpoints:0clock,0nonclock)Unconstrained Clocks---Clockclk_pin_p(endpoints:645clock,1nonclock)Port clk_pin_p 可见,就会出现提示,这个主时钟未约束。 只要是它提示的,都要尽量给予约束。 注:如果要在GUI...
4.checkingunconstrained_internal_endpoints 5.checkingno_input_delay 6.checkingno_output_delay 7.checkingmultiple_clock 8.checkinggenerated_clocks 9.checkingloops 10.checkingpartial_input_delay 11.checkingpartial_output_delay 12.checkinglatch_loops