For this I am using CMX865A as the converter, and at89c51RD2 as the controller, inorder to initialisation and configuration of cmx865's registers. For this i am using SPI communication between cmx 8051 and cmx. For cmx i am using the crystal 6.144MHz, and for ucontroller the crystal is 12.288MHz.But I could not able to do the SPI communication, I dont know what is the reason. But I checked the XTALN of cmx , there is no clock signal.
But the crystal oscillator is the working one.
What may be the reason the XTALN pin of CMX doesn't have clock signal ?
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