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pga112程序控制问题求教

Other Parts Discussed in Thread: PGA112, OPA564

你好!

       楼主最近在用pga112做PLC的接收端放大器使用。参考的电路是OPA564里面的Figure58.但当调试时,依照pga112文档里的Table3、Table5、Table6编写代码,pga112没有数据输出。用chipscope仿真,输入代码无误。不知道是不是通过spisio输入数据顺序不对还是有其他应该注意的问题。如果有懂得,希望不吝赐教!谢谢!