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DAC161S055EVM - SPI

Need anyone's help on how to control/communicate the DAC161S055EVM thru SPI.

I been trying different command lines based on the instruction set, but no luck on what should be the correct sequence of commands.

I have the output working once, but cannot adjust it nor can duplicate to turn it back on again.

 

Is there any sequence of command needed for this to work?

 

Here’s the command sent (tried so far):

x01 x00 x00 – CLR

x18 x00 x01 – LDAC = 1 to Channel 1

x28 x00 x00 – SWB = 0 to Channel 1 (Write Through)

 

x10 x80 x00 – WRUP

 

Please share any information you have with regards to DAC161S055EVM.

By the way, I am using Aardvark SPI Interface to control the DAC161S055EVM.