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ADS1298 做测试时，完全按照数据手册设置，config1 0x86; config2 0x10; config3 0xC0; CHnSET 0x05; RDATAC mode.但是DRDY一直是低，有读取时钟，且读取时DIN一直为 logic '0'. 求前辈帮忙，大神解释啊
有没有SPI的时序图，传上来看看
