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Is AD9910 IO_UPDATE line gated by chip select?

Question asked by DavidLee on Sep 13, 2014
Latest reply on Sep 15, 2014 by DSB


I have a few AD9910s that need to share a common serial port from my MCU. I use chip select to enable serial IO to one device at a time.


My question is: Can several AD9910s share a common IO UPDATE line? Is the IO UPDATE line enabled by chip select? It's not clear in the data sheet.