Use the microcontroller in Section 9.3 to generate a "time of day" clock. The time (in hours and minutes) is to be displayed on four 7-segment display units. Assume that each display unit has a BCD-to-7-segment decoder associated with it, as shown in Figure P9.1. Assume also that a 100-MHz clock is used. Show the required hardware connections and write a suitable program.

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