(Solved): all 26. (Ch 13) Calculate the step size for a 10-bit ADC (analog to digital converter) with a Vref ...

26. (Ch 13) Calculate the step size for a 10-bit $ADC$ (analog to digital converter) with a $V_{\text{ref }}=5$ volts. (a) $4.88\mathrm{mV}$ (b) $3.88\mathrm{mV}$ (c) $10\mathrm{mV}$ 27. (Ch 13) For an $ADC$ (analog to digital converter) with a $V_{\text{ref }}=1.28$ volts, calculate the $V_{\text{in }}$ for the following output: D7-D0 $=10011001$ (a) $0.135\mathrm{V}$ (b) $0.765\mathrm{V}$ (c) $0.921\mathrm{V}$ 28. (Ch 13) The ADC (analog to digital converter) in the ATmega328 is an 8-bit ADC. (a) True (b) False 29. (Ch 13) The ADC (analog to digital converter) module in the ATmega 328 can convert only one channel at a time. (a) True (b) False 30. (Ch 16) (7 pts.) The following program uses Timer0 and non-inverting Fast PWM mode. It generates a wave with a frequency of $62.5\mathrm{kHz}$ and a duty cycle of $60\%$. Assume the crystal frequency is $\mathrm{XTAL}=16\mathrm{MHz}$. There is a single error in the program which is in bold and underlined. Calculate the correct numeric value so it meets the specifications given above. Show your calculations.