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How to tri-state SDO in HMC mode (HCM703)?

Question asked by Wilton on Apr 28, 2017
Latest reply on Apr 28, 2017 by dyoung1

The data sheet indicates that the HMC703 powers up with SDO tri-stated.  Our testing brings that into question.  It seems to power up solidly low and only tri-states if it sees SCLK before SEN.  We want to run in HMC mode with four devices on the bus, so need to tri-state SDO when not used, rather than reverting to LDO or something.  How do we do this?