SPRUJ52C june 2022 – july 2023 AM69 , AM69A , TDA4AH-Q1 , TDA4AP-Q1 , TDA4VH-Q1 , TDA4VP-Q1
The PHY Independent (PI) module is part of the DDR PHY and can perform PHY independent leveling and SDRAM BIST 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.