A. Suppose we are using the PWM4 of the HCS12 to control the brightness of a light bulb. The circuit connection is shown in Figure 8.51. Write a program so that the light is turned down to 0 percent brightness gradually in 5 s. The E-clock frequency is 24 MHz.

5 V HCS12 R, Light bulb R2 PWMO Figure 8.51 Using PWMO function to dim the light 5 V HCS12 R, Light bulb R2 PWMO Figure 8.51 Using PWMO function to dim the light