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Original question:

AFE4404: AFE4404 is not Giving ACk to Master

AFE4404: AFE4404

Arivunithi V
Prodigy 20 points
Part Number: AFE4404

Hi,

I'm currently working on TI's AFE4404 along with OSRAM SFH7050 sensor in 3-LED mode. I wish to know the proper timing diagram to operate the LEDs in 2-LED mode using AFE4404 for 1% duty cycle.

Kindly share with me some example of timing diagram for 2-LED mode.

  • 0
    TI__Mastermind 49926 points

    Hi Arivunithi,

    For 2-LED mode, essentially you should turn off LED3 by setting the register bits (0x36 and 0x37) to '0'.

    For other register settings, you can still use "Table 11 - Sample Register Settings".

    You should be able to use the AFE4404 GUI (Timing Controls sub-tab under Device Configuration tab) in demo mode for the 2-LED mode timing use cases.