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ads1248

Other Parts Discussed in Thread: ADS1248

硬件电路在附件里。电路板使用XC3S1500-4FGG456C控制ADS1248,采集两个PT100的电压值。我用VHDL写的驱动,大致思路是:先配置寄存器,然后发送RDATAC(不断读)命令,但是读不到AD数据。示波器显示,DIN引脚数据正确。请问这种情况,大致原因可能是什么?

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