SWRZ071D May 2017 – December 2020 AWR1243
SYNC IN input pulse wider than 4usec can cause a FRC lockstep error
AWR1243 ES1.0, AWR1243 ES2.0, and AWR1243 ES3.0
In hardware based frame triggered mode of operation, external SYNC IN pulse is provided to the radar device. If the width of the pulse if > 4usec, it could cause MSS ESM group 1 fault with FRC lockstep error.
The pulse width of the external SYNC IN signal should be >25nsec and < 5usec