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[AD9102] No SPI response

Question asked by patlas on Jun 23, 2015
Latest reply on Jun 26, 2015 by patlas

Hi,

Since few days I try to communicate with my DDS (AD9102) unfortunatelly no signal appear on my uC MISO pin?

 

My connection sequence is:

1) Reset and wait for a while

2) Set CS low

3) Write (in 16bit mode, risign clock edge) 0x802C to read from register 0x2C which contains after reset value of 0x0003)

 

After that I should receive some data on my SPI but nothing happened, could someone tell my why?

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