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LDC1614: Sleep mode register contents

Gary Streeter
Prodigy 30 points
Part Number: LDC1614

In order to cut down on LDC operation time, I wish to detect DRDY, put the LDC to Sleep then read the 4 data registers. After a delay time of 40 milliseconds or so, exit Sleep mode, and repeat.

According to the data sheet, "Sleep Mode is entered by setting the CONFIG.SLEEP_MODE_EN register field to 1. While in this mode, register contents are maintained." However, my software engineer claims that the data registers are cleared when Sleep Mode is entered. Which is correct?

  • 0
    TI__Genius 13335 points

    Hello,

    The DATAx values must be read during active operation. Entering sleep mode will clear the contents. If you're trying to cycle between sleep an active mode to save power, you can refer to the following application  note for more information:

    Regards,

    Luke