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AD5270 digital potentiometer (SPI interface,16 BIT)

Posted: Wed Feb 05, 2025 4:11 am
by kavirunimsith
Has anyone worked with AD5270 digital potentiometer? When im trying to change the resistor value of the potentiometer using cube ide by sending the 16 bit control command and 16 bit resistor value command it wont change.Resistor value is frozen always it doesnt change its value.Can anyone help me with this issue.
https://www.analog.com/en/products/ad5270.html
heres the link for the datasheet of the potentiometer

Re: AD5270 DIGITAL POTENTIOMETER (SPI INTERFACE,16 BIT)

Posted: Wed Feb 05, 2025 4:26 am
by lucascraft
If you haven't properly initialized the AD5270, it might not function correctly. Make sure you're sending the correct initialization commands, including the reset command, before sending the resistor value commands