Hi Matt, In reviewing the schematic of the dbsrx daughtercard, I noticed that there are two i2c devices (the EEPROM and the MAX211x receiver chip). In general for the daughtercards, address bit A1 determines side A or side B, and A0 determines if the card is an rx or tx card, and this is hard-coded by the USRP itself. So...if a user has two dbsrx cards in their USRP, I think the EEPROM of the dbsrx on side A would have the same address as the MAX211x on side B, and vice versa. Wouldn't this be an issue?
Of course, I'm guessing there is a logical explanation as to how this is mitigated, as I found several folks in the archives that mention using two dbsrx cards simultaneously. Any insight is appreciated. Also, is there a reason that address bit A2 isn't used to select different i2c devices on the same card? Thanks much... -- Regards, John Orlando CEO/System Architect Epiq Solutions www.epiq-solutions.com
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