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Locate the 68HC11 microcontroller in the HC11D0 schematic. (A microcontroller is a microprocessor with built-in RAM, ROM, and I/O ports.) Pins 31-38 are the low-order address bus (A0-A7) multiplexed (shared) with the data bus (D0-D7). Pins 9-16 are the high-order address bus (A8-A15). The low-order address bus is demultiplexed (selected and latched) from the shared address/data lines by U2 and the AS (Address Strobe) line.
(a) Which ICs are connected to the data bus (DB0-DB7)?
(b) Which ICs are connected to the address bus (AD0-AD15)?
design an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and Df= 20 kHz. A narrow-band FM generatorwith fc = 200 kHz and adjustable Df in the rangeof 9 to 10 Hz is available.
Find the line currents in the unbalanced three-phase circuit of Fig. 12.26 and the real power absorbed by the load.
a) both stations begin to transmit at the same time b) one station begins to transmit at the first possible moment such that its transmission would not be detected by the other station before it began its transmission
What is the velocity of a signal propagating along the stippling of Problem 15.7? Express your answer in meters per second and in a percentage of the speed of light. What is the spline's propagation delay? What is its distributed capacitance?
Shortest distance between two points. LetP1=(x1,y1) andP2=(x2,y2) be two given points.Find the third point P3(x3,y3)such that d1=d2 is minimized, whered1 is the distance from P3 to P1and d2 is the distance from P3 toP2.
vehicle of mass 1400Kg is traveling at a speed of 50km/hr. What is the kinetic energy stored in its mass Calculate the energy that can be recovered by slowing the vehicle to a speed of 10 km/hr.
Determine whether the following discrete-time systems are causal or noncausal, have memory or are memoryless, are linear or nonlinear, are time invariant or time varying. In the following parts, x[n] is an arbitrary input and y[n] is the response
Suppose we have a junction diode operating at a constant temperature of 300K. With a forward current of 1mA, the voltage is 600mV. Furthermore, with a current of 10mA,the voltage is 700mV. Find the value of n for this diode.
Design a MEALY MACHINE sequence detector state machine that outputs a 1 whenever the sequence 01 or 10 is detected in its input stream: 1. Draw state diagram 2. Perform state assignment
It is observed that a straightened paper clip can be twisted through several revolutions by the application of a torque of approximately 60 N.m. Knowing that the diameter of the wire in the paper clip is 0.9 mm, determine the approximate value of ..
Two machines and a lighting load are connected in parallel to a 220 V, 60 Hz line. The first machine uses 40 kW of power at 0.81 power factor lagging. The second machine uses 27 kVA at 0.93 power factor leading.
Cellular telephony has forever changed the way people communicate with one another, being one of those exciting technologies that has directly and significantly influenced our everyday life. The characteristics of wireless signal changes as it tra..
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