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About default program signal flow of the AD1701 ,why not output?

Question asked by shaoqin on Jul 28, 2014
Latest reply on Jul 28, 2014 by DaveThib

MCU and ad1701 through the I2C communication, I write the dsp core control register (0x081c):a[2]={0x00,0x1c},the dac register b[2]={0x00,0x01}I read the dsp core control register data is 0x00,0x1c,the dac register data is 0x00,0x01.when I through adc0 and adc1 input analog signals, why the dac2 and dac3 have not output?I follow this ad1701 data manual configuration

See below:

QQ图片20140728194927.jpg

the default program signal flow

QQ图片20140728195132.jpg

Don't I have a hardware problem?

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