The unique addresses assigned to the four registers (R5, R6, R7, R8) of the I/O interface are equal to the XX3, XX7, XXB, and XXF in Hex. Where XX is hex digits equal to your roll no. (if the student is having to roll no 45 then addresses are 453,457 ,45B, 45F in Hex ) .Show the well-labeled external circuit that must be connected between the 12-bit I/O address bus from the CPU and the CS, RSI, and RS0 Inputs of the Interface.
The answer to your question is provided in the image:
Comments
Leave a comment