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TLK2711-SP: Power-On Reset Sequence

Part Number: TLK2711-SP

Hello,

I'am using the TLK2711-SP in a new design. Now, i have one question to the power up  behavior.

In the powerup diagram of the TLK2711-SP (I am using the datasheet TLK2711A-SP, FEBRUARY 2018) it seems that:

ENABLE need to be "1"

GTX_CLK need to be running

LCKREFN need to be "1"

prior to power up the supplies.

Is this procedure necessary for the power-on reset ?

Thanks in advance

Mario