(a) A bus transaction on the 8086 system takes 4 clock cycles. If the instruction Out DX,al...
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Question:
(b) i. Consider the operation of PPI 8255. What is the difference between simple port and a port with handshaking capabilities.
ii. If the base address of the 8255 is AA 10h, program port A as bidirectional port with handshaking, port B as input port with handshaking and C as simple output port
iii. Show how the PPI 8255 is connected to the CPU.
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