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如图,是采用FPGA读取ADS1283寄存器的输出波形,通过ADC_DIN引脚输入20,0A,分别代表从0地址读取11个地址的参数数据,但是DOUT并未输出参数,目前DOUT可以正常输出采集数据波形,图中显示在DRDY出现时输出了采样数据波形,而DIN的输入并未使DOUT输出参数波形,CLK目前是2.75MHZ,sclk是1.375MHZ,根据时序图也采用了SCLK中断的模式,请问是否读参数或者写命令是哪里不正确呢?
您好:
问题解决了,是DIN引脚未在FPGA上指定也未编译报错,现在可以正常读取了。