Read DQS Centering (Simple) - 1.0 English

Versal Adaptive SoC Programmable Network on Chip and Integrated Memory Controller 1.0 LogiCORE IP Product Guide (PG313)

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1.0 English

During Read DQS Centering (simple), the toggling 101010... MPR pattern is continuously read back while DQS adjustments (PQTR and NQTR individual fine taps on DQS) and DQ adjustments (IDELAY) are made. This is to establish an initial DQS center point using an easy pattern that does not rely on writing a pattern to the DRAM.