prvious year questions, Exams of Microprocessors

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RY | A 0 ee 8404 vinted Pages : 3 Printe Ae BT-4/ M-15 MICROPROCESSORS & INTERFACING Paper-ECE-216 E Mime allowed : Three hours} [Maximum marks : 100 Note: Attempt five questions in all, selecting at least one question from each section. Section-I 1. (a) Bfaw the functional block diagram of 8085 micro processor and explain. 10 (b) Drawand explain the timing diagram of memory write cycle with example. 10 2. (a) Specify the contents of the registers, the flag status and addressing mode of the following instructions when they are executed. 10 (i) MVIA,00H (i) MVIB, F8H (ul) MOVC,A (iv) MOV D,B (v) HLT (b) Write an assembly language program to convert an array of ASCII code to corresponding binary (hex) value. The ASCII array is stored starting from 4200H. The first element of the number of elements in the array. 10 8404] [Turn over