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你好!
注意下I/O口的电平和FPGA的是否匹配,如果不匹配需要增加电平转换电路
另外,手册上写了对电源部分要做一些滤波,模拟和数字部分的供电要分开,我看这个图上貌似是接在一起的
如果TFP410只用12bit,那么不用的输入端D[23:12]需要上拉或下拉,不能悬空。