help me: AD7745 how to config.

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az88evn

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i must work with AD7745.
this is it's info
this is my config:



Code:
write(0x07,0x80);// CAP setup
      write(0x08,0x00);// VT setup
      write(0x09,0b01001011);// EXCA setup
      write(0x0A,0x01);// configuration
      write(0x0B,0x80);// DAC A
      write(0x0C,0x7F);// DAC B





Code:
form: write(address register,value)
Code:
value of "status register" is 0x02

i can't see pusle square at EXC pin!!
where are errors?
i use it in "single ended capacitive input" to measure cap value.
help me!!
thank you so much!
 
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