(a) Describe the function of the following pins and their use in 8086…

Previous year question for Microprocessor & Interfacing.

Question

(a) Describe the function of the following pins and their use in 8086 based system :

(i) NMI

(ii) LOCK

(iii) TEST

(iv) RESET

(v) TEST

(vi) RQ/GT0 and RQ/GT1

(vii) QS0 and QS1

(viii) s0, s1, s2.

(b) Explain the memory organization of 8086 microprocessor. Draw the timing diagram of a typical memory write machine cycle.