PHY Utility Block

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

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2.4 English

The PHY utility block (PUB) controls various features of the PHY such as initialization, DQS gate training, delay line calibration and VT compensation, write leveling, and programmable configuration controls. It also provides a DFI interface to the PHY. The PUB includes configuration registers in the DDR_PHY register set.