Q$5.(10$ points, $5$ each$)$ Suppose you are assigned to design a motor controller chip for Senior Design Robotics project. This chip controls the $4$ wheels of the robot. There are five inputs to the chip: left, right, forward, backward and duration. All the inputs are $1$ bit except duration, which is $8$ bits. When a direction signal is $1($i$.$e$.,$ left $=1,$ or right $=1$ or forward$=1$ or backward$=1),$ the robot should turn$/$continue to that direction and move for certain time specified by duration. The chip's frequency is $1KHz.$ For example, if right $=1,$ and duration $=256,$ the robot should move right once and keep going for $256ms.$

a$.$ Efficiency is key. What computing elements $($arithmetic and logical blocks$)$ will you put in your functional unit for this chip? Why?

b$.$ What type of memories will you use? Why?

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