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1. Write the C statement needed to arm the Port J interrupt?
2. What does placing asm("cli") at the beginning of an ISR do?
3. Explain what the software interrupt (SWI) does.
4. ROM Vector table addresses $FFD2 belongs to which interrupt.
5. Can an interrupt be interrupted as it is being processed? If so, is there a way to stop that from happening? If not, when does a second, pending interrupt start getting serviced?
6. What happens if interrupt request come in both IRQ~ and XIRQ~ at the same time? Assume both are enabled and have their own ISRs.
A)An amplifier has an input voltage of 0.5V and an output voltage of 12V.Calculate the increase in unit decibels. B)An amplifer has an input power 2W and an output power of 80W. Calculate the increase units of decibels.
When electros and holes are present in a semi-conductor, the presence of an electric field produced by an external voltage will cause this carries,which have changes of oposite sign, to move in opposite directions.
Point charge 1.5{\rm \mu C} is located at x = 0, y = 0.30 {\rm m}, point charge -1.5{\rm \mu C} is located at x = 0 y = -0.30 {\rm m}. What are (a)the magnitude and (b)direction of the total electric force that these charges exert on a third point..
The initial voltage on a .2μF capacitor is -60.6V. The capacitor current has the wave form i(t)=100e-1000t mA, for t>0 and i(t)=0for t 0. b) is there an instantaneous change in the voltage across thecapacitor at t=0
In spherical Coordinates the potential of a dipole lacated at the origin is given by: a) use \(E = -grad \phi\) and the above to calculate E for a dipole located in free space.
For input signal voltages between these limits, the input should pass unaltered to the output. The peak current drawn from the input source may not exceed 1mA. You may use any circuit component we've studied except opamps.
In electric motor delivers 23 hp of mechanical power into a load it runs on single phase 440 VAC and is 83 percent efficient its running power is .77 and the starting current is 70 percent higher than its running current
a) Draw a cascade or parallel form for the block diagram representation of the system b) Determine the possible ROC's of this system. For each case determine causality and stability of the system.
A wooden cylinder 30.0 cm highs gloats vertically in a tube of water (density = 1.00 g/cm cube). The top of the cylinder is 14.1 cm above the surface of the liquid. What is the density of the wood
Consider a system equation s^4 + s^3 + s^2 + 2s + 10 = 0. FInd out its Routh Table. Determine if this system is stable, marginal stable or unstable. How many roots are stable and how many roots are unstable.
Find a multiple output AND-OR gate circuit to realize the following function. You should be able to implement this in 6 gates total. Show your Karnaugh maps. F= ac + ad + b'd
A certain amplifier has an open-loop gain in the midrange of 180000 and an open loop critical frequency of 15000 Hz. If the attenuation of the feedback gain is .015, what is the closed-loop bandwidth. solve?
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