You must observe the following requirements when using OCT blocks:
- The I/O bank where you place the OCT calibration block must use the same VCCIO_PIO voltage as the memory interface.
- The OCT calibration block uses a single fixed RZQ . You must ensure that an external termination resistor is connected to the correct pin for a given OCT block.
For specific pin connection requirements, refer to Specific Pin Connection Requirements .
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