1.The S12G128 CPU board has one IRQ pin. You have four devices that will request interrupt service. How do you determine which device(s) need service?
2.How is the TCNT timer used to generate an interrupt?
3.A communications channel has a bandwidth of 2,000 Hz and a signal-to-noise ratio (SNR) of 40 dB. What is the maximum possible data rate?
4.An H-bridge allows a 5 A current pulse to the drive motor. What is the average current if the duty cycle is 25% and the pulse frequency is 2 kHz?