In the given configuration, find the values of the three port address and control registers in...
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In the given configuration, find the values of the three port address and control registers in binary and hexadecimal format. Answers should be listed in group. Only consider CS line. RD and WR will be active low as applicable Show the steps involved with adequate explanation. Draw an alternative circuit permitting the same group of addresses. MAO RD Ao WR I/O Map : A₁- A₂- Reset Port control Register Port A Port B Port C Control register A₁ RD 8255 WR Reset CS PA PA PBO PB, Address lines Ay As As A, A₂ A₂ A₁ Ap 1+1+1+1+0.5+0.5=5 Address In the given configuration, find the values of the three port address and control registers in binary and hexadecimal format. Answers should be listed in group. Only consider CS line. RD and WR will be active low as applicable Show the steps involved with adequate explanation. Draw an alternative circuit permitting the same group of addresses. MAO RD Ao WR I/O Map : A₁- A₂- Reset Port control Register Port A Port B Port C Control register A₁ RD 8255 WR Reset CS PA PA PBO PB, Address lines Ay As As A, A₂ A₂ A₁ Ap 1+1+1+1+0.5+0.5=5 Address
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The 8255 programmable peripheral interface PPI chip the PPI is a versatile chip that can be used to implement a variety of IO functions such as parallel ports serial ports and timers In the diagram th... View the full answer
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Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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