SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
The PHY Independent (PI) module is part of the DDR PHY and can perform PHY independent leveling without involvement of the DDR controller. The PI can also initialize the SDRAM independent of the DDR controller. The PI module provides an interface between the PHY core logic and the DDR controller.