I'm using the method described in the datasheet Figure 19 to cycle the ADS1256 Input Multiplexer. The below oscilloscope capture shows 3 bytes WREG, 1 byte SYNC, 1 byte WAKEUP and 1 byte RDATA commands followed by the acquisition of 3 bytes sample data. The behavior of DRDY doesn't correspond to the figure in the datasheet. Why is DRDY going high two times before going high "for real" and indicating that a conversion is ongoing?
/F