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CC2650: Time Sync between two CC2650 in millisecond level

Asad Lesani
Intellectual 380 points

Part Number: CC2650

Hi,

I have designed two sensors to detect the vibration in buildings structure. We need two synchronize the time between two CC2650 (two sensors) in millisecond level.

I couldn't find any RTC IC that can keep time in Millisecond level. Do you have any idea to synchronize two CC2650 with this accuracy or any RTC IC that can do this?

Thanks.

  • 0
    Guru 18645 points
    ,

    this is a common problem in sensor networks, not easy to solve. My guess is that even if you do it perfectly, delays in OS tasks could slightly prevent you to achieve this. Maybe you can play around with the 32 kHz square wave some RTC provide after setting the same date in both devices.