在GTX里面,CPLL的频率范围为1.6GHz~3.3GHz,支持的最高线速度为6.6Gb/s。在GTH GTX高速收发器Transceiver概述与收发共同特征(UG476) 。 a) Xilinx的7系列FPGA随着集成度的提高,其高速串行收发器不再独占一个单独的参考时钟,而是以Quad来对串行高速收发器进行分组; b)一个Quad包括四个GTX/GTH transceiver ...
When asserting/de-asserting CPLLPD When the CPLL has to support dynamic line rate switching, it is requested to manage some ports of the Calibration Block. The following ports of the Calibration Block should be handled during rate change: GTH case: gtwiz_gthe4_cpll_cal_bufg_ce_in gtwiz...