WebbIBUFDS_GTE2 对于高速bank,需要使用IBUFDS_GTE2,如果仍然使用IBUFDS,此时在编译或者生成bit时报错,提示该时钟约束有问题,正常差分时钟的电平是不需要约束的,约束完后可以生成bit,但是转出的单端时钟不能使用。 IBUFDS_GTE2原语如下 WebbIBUFDS_GTE2_I : IBUFDS_GTE2: port map (O => IBUF_OUT(i), ODIV2 => IBUF_DS_ODIV2(i), I => IBUF_OUT_P(i), IB => IBUF_OUT_N(i), CEB => '0'); end …
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WebbThe primitive IBUFDS_GTE2 primitive needs IBUF inserted on the I and IB pins for it to be properly placed. In your case as you have set the module as OOC the synthesis will not insert IBUF on the module ports and hence the error. You need to instantiate IBUF in th HDL so that it looks like below. Thanks, Deepika. Thanks, Deepika. Webb下面是程序中例化的部分 ibufds_gtrefclk : IBUFDS_GTE2 port map ( I => gtrefclk_p, IB => gtrefclk_n, CEB => '0', O => gtrefclk, ODIV2 => open ); 按提示是说I和IB需要被IBUF驱动,是gtrefclk_p和gtrefclk_n信号通过一个IBUF之后再输入到IBUFDS_GTE2吗? 如果是的话请问下IBUF的实体是什么? 谢谢! 开发工具 Like Answer Share 1 answer 67 views … robert hicks primary school
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Webb23 sep. 2024 · An IBUFDS_GTE2 primitive drives the GTX reference clocks and there are two IBUFDS_GTE2 elements per Quad as shown in Figure 2-4 of the 7 Series FPGAs GTX Transceivers User Guide ( UG476 ), driving GTREFCLK0 and GTREFCLK1. The common use mode is to instantiate one IBUFDS_GTE2 and drive one of the two … Webb1、概述 2、高速收发器 字面意思专用于收发高速数据,UltraScale架构中的GTY收发器是功率高效的收发器,在UltraScale FPGA中支持500Mb/s到30.5Gb/s的线速率,在UltraScale+FPGA中支持32.75Gb/s的线速率。 每个GTY BANK包括四路收发通道,即一个QUAD,每个收发通道具有独立的通道锁相环CPLL,为收发数据提供参考时钟,每 … Webb其中常用的有ibufds差分输入缓冲,常用来对差分输入时钟进行单输出化。 IBUFDS_GTE2 是吉比特高速收发器GTX等的专用时钟输入缓冲。 robert hicks real estate