Hi Chris, Thanks for your reply! Firstly, the command sequence mentioned following up is that I am using with STM MCU. We could not know the calibration process of ADS1281EVM. In this command sequence, "SDATAC, SYNC, RDATAC, (WAIT FOR /DRDY), SDATAC, OFSCAL, RDATAC, (WAIT FOR /DRDY)", after sending SYNC command, how long the /drdy remain high? If not interrupt mode, delay ?? ms to send RDATAC? Thanks!
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