Hi Bruce, Thanks for the reply, 1) Are you using an MSP432 Launchpad? If so, what color is it? (The Black one has Erratum USCI41, which makes UCBUSY questionable.) I am using the red one 2)1) Are you using an MSP432 Launchpad? If so, what color is it? (The Black one has Erratum USCI41, which makesUCBUSY questionable.) It still does not work without commenting out 3) I'm not sure what you mean by choosing /CS "randomly". You should use the pin you've connected to /SYNC. Yeah, that is what i did. 5) Curiously enough, the Figures in the DS all seem to suggest that SCLK idles low, not high. For what it's worth, I use (CKPL=0,CKPH=0) for the DAC8568 , which appears to have a similar SPI engine. Do you mind sharing the driver code with me? I still could not get it working. the voltage does not change at all. Thanks, Eddy
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