SWCU194 March 2023 CC1314R10 , CC1354P10 , CC1354R10 , CC2674P10 , CC2674R10
Several other modules in the device (such as the frequency synthesizer, RF power amplifier, and so forth) have separate internal regulators running at either 1.4 V (analog modules) or 1.28 V (digital modules). These regulators are powered up or down automatically by firmware when needed.