需要注意:1# The I/O UPDATE signal is edge detected to generate a single rising edge clock signal that drives the register bank flops. The I/O UPDATE signal has no constraints on duty cycle. The minim ...
DDS的特点就是改变频率时相位是连续的,AD9833里面有一段话也说明了这一点:The input to the phase accumulator can be selected either from the FREQ0 register or FREQ1 register, and is controlled by the FSE ...