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Data converters forum

Kengo.Y
Guru 10385 points
Part Number: ADS1299-4

Hi team,

My customer use Ch1~4.(Ch5~8 does not use.)
Is it okay to set CS to High and then end communication after reading CH4?

Sincerely.
Kengo.

  • +1
    TI__Genius 11550 points

    Hi Kengo-san,

    Thanks for the post.

    To read the data from CH1-4, you can set CSB low and send 120 SCLK ( 24 status bits +  24 bits x 4 ) to retrieve the data. After retrieving all the data, the CSB can be set HIGH to end the communication. When CSB pin is high, the DOUT pin enter a high-impedance state. Reading and writing to the serial interface are ignored and the serial interface is reset.   

    Thanks

    -TC