MicroprocessorPU Spring 2023
a) Draw and explain a well labelled timing diagram of the instruction LDA 2000H and calculate the total execution time if clock frequency is 2 KHZ. b) What is the significance of 8255 PPI? Draw and…
15- a) Draw and explain a well labelled timing diagram of the instruction LDA 2000H and calculate the total execution time if clock frequency is 2 KHZ.
- b) What is the significance of 8255 PPI? Draw and explain the control word for 8255 PPI in I/O mode.
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