ADS58B18 通过SPI控制将其 test pattern 寄存器设置为001或010,但其输出并没有全为 0或1,而是变化的。我通过SPI读该寄存器,ovr_sdout输出显示该寄存器已经改为我设置的001或010了啊。不管我用LVDS或CMOS输出模式结果都不对。崩溃了,无法往下继续了。
求版主支招啊。表述不明白的地方请指出。谢谢
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test pattern写001或010时,输出结果和000有明显区别吧?写001时,是固定几位输出变化,还是所有位都变化?能不能发张示波器或者FPGA的scope图