For the 8085 microprocessor, the instruction (MVI B, 8-bit data) requires Fetch and Read machine cycles. What is the time in microseconds is required to execute it for a clock frequency of 3 MHz
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For the 8085 microprocessor, the instruction (MVI B, 8-bit data) requires Fetch and Read machine cycles. What is the time in microseconds is required to execute it for a clock frequency of 3 MHz
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- 8:37 4 A M Vo) Gt LTE1 You Just now i) Analyse and execute the following 8051 Instructions and specify the output and explain the contents of the registers with comments MOV A, #92H SWAP A In the absence of a SWAP instruction, how would you exchange the nibbles? Write an 8051 ALP to show the process ii) Analyse and execute the following 8051 Instructions and specify the output and explain the contents of the registers with comments. CLRC MOV A, #4FH SUBB A#6DH JNC NXT CPL A INC A NXT: MOV RI,A ADD A,RI4) Design and draw these memory units with their control circuits. Explain operations. a) A single EPROM 2716 is used with an 8088 microprocessor so that this microprocessor will see only X bytes of memory between the address range of DF800 –DFFFF or DD800 - DDFFF instead of 1M byte that it expects. Draw this circuit. What are X bytes? Do not use 74138 decoders. b) Design and show a 16K x 16-bit memory circuit by using 8K x 8-bit RAMS. Explain its operation. Do not use decoder 74138 chip.Given a 8-bit number at memory location 2050H. Write 8085 instruction to move the value stored at the following locations: Register B Accumulator 2052H Write a single program and show register and accumulator screenshot and also attach memory view. In sim8085 software.
- 8085 microprocessor went through its manipulation operation in the ALU, the results was transferred on the data bus and status of the results was stored in the flag register for indications . With your knowledge and understanding illustrate a complete bit configuration of 8085 flag register and show the functions of the represented bits in the register.4. Write a simple complete program with LOOP instruction for 8086 microprocessor, and explain the processes for each line of the program.Microprocessor 8085 : Note 1: Use F for fetch, R for memory read, W for memory write, IOR for IO read, and IOW for IO writeNote 2: Use hexadecimal where possible Q/ Using (SIM) instruction, what is the data required in the accumulator to enable all hardware interrupts and send a (zero) serially?
- 1)Write a program in 8051 to copy the contents of registers R0 to R7 into internal RAM addresses 40H to 47H respectively using PUSH instructions. Assume Register Bank 0 is selected. 2 )Designa Programmable timer using 8254 and 8086 to generate a square wave of period 5 millisecond. Interface 8254 at the address 0040H for Counter 0 and write the assembly language program. The 8086 and 8254 runs at 6 megahertz and 3 megahertz respectively.1. Draw the figure showing the types of registers in an 8086 microprocessor. Write the register group types explaining the functions shortly for each one.A) List and describe 10 features of the Atmel ATmega 2560 AVR microcontroller (use the ATmega 2560 complete reference manual for help). B) List and describe two AVR instructions. As part of your description make sure that you list the operation for each instruction that is provided in the instruction set summary.
- A)What will be the frequency at C if the clock is 320 kHz? B) What is the modulo of the circuit? C) What is the output (in binary) after 737 pulses?(a). If I want to store 4-bit data 0110 and at 4th clock I want to extract all the stored bits, which shift register I should explain it with the help of circuit diagram and table. (b). Write comparison between Diode transistor logic and Transistor Transistor logicA 9-bit asynchronous counter has a 128-kHz clock signal applied. (1) What is the MOD number of this counter? MOD number = (ii) What will be the frequency at the MSB output? fmsb = (iii) Assume that the counter starts at zero. What will be the count after 635 input pulses? After 635 input pulse, Count =