SWRA499C June 2016 – September 2019 CC1352P , CC1352R , CC2640 , CC2640R2F , CC2642R , CC2642R-Q1 , CC2650 , CC2652P , CC2652R , CC2652R7 , CC2652RB , CC2652RSIP
No specific hardware configuration is required to run on the internal 32 kHz RC oscillator (RCOSC_LF). The 32 kHz crystal pins will be in a Hi-Z state when not used and can safely be tied to any logic level, or left unconnected.