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DP83848I: Internal circuit of RESERVE pin

Guru 12605 points

Part Number: DP83848I

Hi

The customer has questions for RESERVE pin (PIN20, PIN21).

Could you please answer followings?

1.

According to datasheet, these pins must be pulled up through 2.2K resistor to AVDD33.

Why isn't it allow to connect these pins to GND or leave them float?

2.

The customer want to leave pins open if possible.

What impact could it be considerable if these are open?

BestRegards