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Forum Post: RE: ADS1220: SPI I/F without CS connection to MCU

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Bob san Thank you for your support always! And we appreciate your help always. We would like to confirm an additional content. When our customer uses Single-Shot Mode, is it the same as Continuous Conversion Mode (DRDYM = 0)? We would like to organize some information. On Figure.67 P39, by sending an extra 8 SCLKs, DOUT/DRDY will be High. Is our recognition correct? If is correct, -DRDYM=1, -Sending an extra 8 SCLKs after the data are read, DOUT/DRDY will be High, -DOUT/DRDY is always High before START/SYNC command ->In case of both polling or interrupt, it is possible to catch DOUT/DRDY transitions from High to Low, so it is possible to operate normally. Is our understanding correct? We need your help. Kind regards, Hirotaka Matsumoto

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