Consider a 16-bit timer that is run in count-up periodic mode with the highest load value (highest period), a prescaler (clock divider) of 64 and source clock of 4 MHz. We are keeping the number of rollover counts of the timer in a variable. Consider two moments T1 and T2, where T1 is earlier than T2. If their corresponding rollover counts are R1 and R2, and their corresponding counter readings are C1 and C2, how long has elapsed between T1 and T2 in terms of seconds? Show your work and leave your answer as an expression Consider a 16-bit timer that is run in count-up periodic mode with the highest load value (highest period), a prescaler (clock divider) of 64 and source clock of 4 MHz. We are keeping the number of rollover counts of the timer in a variable. Consider two moments T1 and T2, where T1 is earlier than T2. If their corresponding rollover counts are R1 and R2, and their corresponding counter readings are C1 and C2, how long has elapsed between T1 and T2 in terms of seconds? Show your work and leave your answer as an expression