AD9549 datasheet(73/78 Pages) AD

73 / 78 page

Preliminary Technical Data

AD9549

Rev. PrA | Page 73 of 78

0305; IRQ Mask (continued)

[0] Frequency Lock: Trigger IRQ on rising edge of “Frequency Lock” signal

[1] Frequency Unlock: Trigger IRQ on falling edge of “Frequency Lock” signal

[2] Phase Lock: Trigger IRQ on rising edge of “Phase Lock” signal

[3] Phase Unlock: Trigger IRQ on falling edge of “Phase Lock” signal

[4] Frequency Estimator Done: Trigger IRQ when the “Frequency Estimator” is done

0306; IRQ Mask (continued)

[0] !RefA OOL: Trigger IRQ on falling edge of reference A’s OOL

[1] RefA OOL: Trigger IRQ on rising edge of reference A’s OOL

[2] !RefA LOR: Trigger IRQ on falling edge of reference A’s LOR

[3] RefA LOR: Trigger IRQ on rising edge of reference A’s LOR

[4] !RefA Valid: Trigger IRQ on falling edge of reference A’s “Valid”

[5] RefA Valid: Trigger IRQ on rising edge of reference A’s “Valid”

[7:6] Unused

0307; IRQ Mask (continued)

[0] !RefB OOL: Trigger IRQ on falling edge of reference B’s OOL

[1] RefB OOL: Trigger IRQ on rising edge of reference B’s OOL

[2] !RefB LOR: Trigger IRQ on falling edge of reference B’s LOR

[3] RefB LOR: Trigger IRQ on rising edge of reference B’s LOR

[4] !RefB Valid: Trigger IRQ on falling edge of reference B’s “Valid”

[5] RefB Valid: Trigger IRQ on rising edge of reference B’s “Valid”

[7:6] Unused

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