Question: microprocessors Question 2) (16p) Circuit Interpretation Questions a) (10p) What does the following circuit do? Explain with numeric values. | (Note: 74LS373: Octal D Latch,

 microprocessors Question 2) (16p) Circuit Interpretation Questions a) (10p) What does

microprocessors

Question 2) (16p) Circuit Interpretation Questions a) (10p) What does the following circuit do? Explain with numeric values. | (Note: 74LS373: Octal D Latch, 74LS244: Octal 3-State Buffer) 74LS373 XDO LEDs XD7 OW 10 A A1 e Y1 AZ 74LS244 A3 G1 Switches XDO Systems buffered XD data bus AEN Y4b OC CC A4 A5 AG AZ 49 G2B IOR Explanation: b) (6) According to the given circuitry, indicate the port addresses A, B, C and the control word. 8255 DO D7 IOW WR IOR RD A2 A1 A1 CS A7 Port A: Port B: (p) (ip) (Ip) Port C: Control Word: (3p) 3

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