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DP83867E: Using LED_x pins at 3.3VDC when VDDIO is 1.8VDC

Tom Schultz
Expert 4140 points
Part Number: DP83867E

Tool/software:

Team,

Posting on behalf of my customer.  In their current design, they are using the TI DP83867E Ethernet Phy. They think they may have configured it wrong, but the part is working. Their question is if they have VDDIO at +1.8V---will they damage the device if they use LED_x pins to control the Link and Activity LEDs on the ethernet jack that are powered by +3.3V?

Thanks,

Tom