FXTH and NTM88 devices include three internal oscillators, a low frequency, medium frequency, and high frequency oscillator. This application note documents how to compensate for the drift.
AN13371, TPMS Clocks Calibration - Application note
FXTH and NTM88 devices include three internal oscillators, a low frequency, medium frequency, and high frequency oscillator. This application note documents how to compensate for the drift.