hi guies ..could you please tell me which type of interface i have to used to interface ad9959 to fpga ..spi or isquarec.
It is preferable to use the 4 bit serial mode since it offers the fastest data rate. The fpga has a lot of I/O so this capability is best exploited by using the 4 bit serial mode. If you want to limit the number of traces then you can use I2C for that.
Note, the AD9959 does not support an I2C interface.
You're right, I misunderstood the 2 bit serial mode as an I2C interface. I apologize for that.
thanks and regards to guide me voluntarily....
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