SPRUHZ7K August 2015 – April 2024 AM5706 , AM5708 , AM5716 , AM5718 , AM5718-HIREL
The APLL_PCIE accepts the functional clock from its input multiplexer, which selects between the DPLL_PCIE_REF output clock CLKREF_ADPLL and the clock from the reference clock buffer ACSPCIE output (delivered from outside the device) CLKREF_ACSPCIE. The selection is made by PRCM register PRCM.CM_CLKMODE_APLL_PCIE[7] REFSEL bit as folows:
The APLL module does not have software capabilitites for gating the input clock.