Stratix® V Device Handbook: Volume 1: Device Interfaces and Integration

ID 683665
Date 10/18/2023
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5.7.8.1. Example of Using Multiple OCT Calibration Blocks

Figure 101. OCT User-Mode Signal Timing Waveform for Two OCT BlocksThis figure shows a signal timing waveform for two OCT calibration blocks doing RS and RT calibration.


Calibration blocks can start calibrating at different times by asserting the ENASER signals at different times. ENAOCT must remain asserted while any calibration is ongoing. You must set nCLRUSR low for one OCTUSRCLK cycle before each ENASERN signal is asserted. As shown in the preceding figure, when you set nCLRUSR to 0 for the second time to initialize OCT calibration block 0, this does not affect OCT calibration block 1, whose calibration is already in progress.