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ADIN1110 Pin 26 and Pin 27

Category: Hardware
Product Number: adin1110

Hello,

I am working on a project that includes ADIN1110 chips. What is the purpose/function of pin26 and pin27 (TEST1 and TEST2)? Can it be left open circuit?  I could not find more information in the datasheet except pin26 requires 1.5kOhm pull up resistor to VDDIO, pin27 is left open circuit (as per datasheet, Table 8). 

Thanks

Regards

SRT