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Give the register organization of 8257?
The 8257 do the DMA operation over four independent DMA channels. Each of the four channels of 8257 has a couple of two 16-bit registers. DMA address register and terminal count register. Also, there are two ordinary registers for all the channels; namely, mode set registers and status register. Therefore there are a total of ten registers. The CPU selects one of these ten registers using address lines A0- A3.
What is Key bouncing? Mechanical switches are used as keys in lots of the keyboards. When a key is pressed the contact bounce back and forth and settle down only after a littl
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Specific Core Indicators Method This technique emphasizes to assign the responsibility and create the accountability. It is possible in which for any of the main indicators, t
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I would like to know if you can help me with the attached microprocessor assignments my email address is . also let me how much in cost in $US
Write an Assembly language program that will produce a PWM signal with a desired average voltage. The user selects the desired average voltage by pressing keys 1 - 4. If the
A three - phase,wye - connected, 2500-kVA, 6600- V, 60-Hz turboalternator has a per-phase synchronous reactance and an armature resistance of 10.4 and 0.071 , respectively. Comput
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