Question: he DDA circuit shown is for a single-axis speed interpolator with exponential deceleration. DDA1 has n-bit registers while DDA2 has m-bit registers. The clock frequency

he DDA circuit shown is for a single-axis speed interpolator with exponential deceleration. DDA1 has n-bit registers while DDA2 has m-bit registers. The clock frequency is . When the Dec signal line (for deceleration) is high, the AND gate dec allows the output of DDA2 to decrease the value stored in the p register of DDA1 to produce the deceleration. In class, we have seen that such a circuit produces a negative exponential velocity trajectory

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