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Question about RSV15 and RSV24 in HMC1190A

The HMC1190A data sheet describes RSV15 and RSV24 as "Reserved. These pins are reserved for internal use; leave them floating."

But, on the EVB schematic, it is as follows.
1) RSV15: IF1EN => pull-down
2) RSV24: IF2EN => pull-down, pull-up jumper

The customer wants to use only IF1 but not IF2.

How should I handle RSV15 and RSV24?

Please answer the questions.

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