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TIDA-00792: SMBus "Reference"

Part Number: TIDA-00792

Hello;

We're using an STM32L4x eval board and need to connect the SMBC and SMBD to the TIDA-00792. I note in the schematic that the SMB "gnd" at CN3.7 sits after the sense resistor. I'm unclear as to whether any problems may arise, given that the two EVM's will not share a common VSS? Is this OK?

Thanks.