AD5933评估软件显示:invaid data write/readback sequnce to part. check power connections

驱动什么的都装好了,设备管理器里都能看到。评估板也按用户手册上连上了200k电阻,一个参考电阻,LK1,2,4拔掉,连上USB,考试软件一直是error:invaid data write/readback sequnce to part. check power connections