To activate the LCPLL power-down mode, the active-High HSCLK*_LCPLLPD signal is asserted. Similarly, to activate the RPLL power-down mode, the active-High HSCLK*_RPLLPD signal is asserted. When either HSCLK*_LCPLLPD or HSCLK*_RPLLPD is asserted, the corresponding PLL is powered down. As a result, all clocks derived from the respective PLL are stopped.
Recovery from this power state is indicated by the assertion of the corresponding PLL lock signal that is either the HSCLK*_LCPLLLOCK signal of the LCPLL or the HSCLK*_RPLLLOCK signal of the RPLL.