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5片LMX2595同时进行配置问题

Other Parts Discussed in Thread: LMX2595

您好,

本项目设计上需要用FPGA(XILINX SPATAN6)同时对5片LMX2595进行SPI配置,由于5片的配置参数一样,减少FPGA引脚使用,仅利用FPGA的三个引脚分别接到5片LMX2595对应的引脚处(SLK, SDI, CSB),FPGA引脚最大的输出电流是10mA左右,请问这种1根线驱动5路的方式是否可行,如果不可行,是否有对应的1分多的驱动芯片来满足这样的设计,非常感谢