Clock_dedicated_route约束应用
WebJan 6, 2014 · CLOCK_DEDICATED_ROUTE 是一个高级约束,它指导软件是否遵循时钟配置规则。. 当没有设置CLOCK_DEDICATED_ROUTE或设置为TRUE的时候,软件必须 … WebMar 6, 2024 · vivado中遇到的错误. [Place 30-574] Poor placement for routing between an IO pin and BUFG. If this sub optimal condition is acceptable for this design, you may use the CLOCK_DEDICATED_ROUTE constraint in the .xdc file to demote this message to a WARNING. However, the use of this override is highly discouraged.
Clock_dedicated_route约束应用
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WebNov 6, 2024 · 参考文档:ug472 set_property CLOCK_DEDICATED_ROUTE BACKBONE [get_nets sys_clk] 大致的意思是: 输入的时钟驱动CMT时,如果在同一时钟区域没 … WebSep 16, 2011 · clock_dedicated_route 就是固定时钟路径,也就是芯片里面专门为时钟设计的一类走线 你看到这个错误的原因是你写的代码有例外(大部分是错误),使得ISE没 …
WebNov 19, 2024 · 配置好之后,编译代码,在Implementation阶段,提示:. [Place 30-575] Sub-optimal placement for a clock-capable IO pin and MMCM pair. If this sub optimal condition is acceptable for this design, you may use the CLOCK_DEDICATED_ROUTE constraint in the .xdc file to demote this message to a WARNING. Web使用CLOCK_DEDICATED_ROUTE BACKBONE约束后的时钟性能的影响问题?. zynq ultrascale\+ mpsoc HP bank上的时钟IO绑定到另一个相邻bank的PLL上,使 …
WebCLOCK_DEDICATED_ROUTE约束应用_ove学习使我快乐的博客-程序员宝宝. 技术标签: fpga. Vivado工具在编译时通常会自动识别设计中的时钟网络,并将其分配到专用的时钟 … WebDec 28, 2015 · 原文地址:clock_dedicated_route约束语句的使用条件 作者:六月栀子花_ [Place 30-575] Sub-optimal placement for a clock-capable IO pin and MMCM pair.
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WebMar 15, 2024 · 解决方法是按照warning信息在管脚约束中添加set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets s_IBUF[0]]。至于为什么会产生这个warning,可以查看下面这个博文获得启发。后期有时间会进一步探究。 ref vivado 的简单使用. 这种问题是因为: 从外部来的(接到板子上的)always 语句中的敏感信号为时钟以 … marra\\u0027s pharmacy cohoes nyWeb先简单描述常用命令,后续将详细介绍。. 1. 外部时钟输入的约束如下:. create_clock -period (clock period) -name (clock name) -waveform { (Traise), (Tfall) } [get_ports (clock port name)] 2. 已建立的时钟改名. create_generated_clock -name (clock name) [get_pins (path)] 3.input/output delay 设置. set_input ... nbc snl phil hartmanWebCLOCK_DEDICATED_ROUTE 是一个高级约束,它指导软件是否遵循时钟配置规则。. 当没有设置CLOCK_DEDICATED_ROUTE或设置为TRUE的时候,软件必须遵循时钟配置规 … nbcsn moves to usa networkWebApr 5, 2024 · 一、报错内容 [Place 30-574] Poor placement for routing between an IO pin and BUFG.If this sub optimal condition is acceptable for this design, you may use the CLOCK_DEDICATED_ROUTE constraint in the . xdc file to demote this message to a WARNING. However, the use of this override is highly discouraged. These examples can … marras lighting designWebThese examples can be used directly in the .ucf file to override this clock rule. < NET "clk" CLOCK_DEDICATED_ROUTE = FALSE; > < PIN "u0/DCM_SP_INST.CLKIN" CLOCK_DEDICATED_ROUTE = FALSE; > In my design the clock input is connected to P128 which is GCLK8. marra\u0027s pharmacy plattsburgh nyWebApr 28, 2015 · 加CLOCK_DEDICATED_ROUTE的约束可以把这个错误降为告警,继续跑布局布线。. 需要注意的是,这个约束的作用并不是强制clk_we信号不通过BUFG,而是告诉工具忽略这类非优化的时钟资源使用问题。. 你可以通过FPGA Editor看到,clk_we还是上BUFG的。. 意思就是正常情况下 ... marrawah accommodationWebJul 15, 2024 · These examples can be used directly in the .xdc file to override this clock rule. < set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets … nbc snl season 47