Draw a block diagram of 8088 along with all the labelling. Secondly write down about the Stack pointer registers and base pointer registers, also give the examples of LIFO and FIFO which we discussed in the class
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Q: (a) Explain reasons to divide the physical memory of 8086 into segments.
A: The main reason to divide the 8086 physical memory into segments is detail in step-2.
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Q: Explain the ADD instruction of 8086. Compare it with ADC instruction.
A: Given that Explain the ADD instruction of 8086. Compare it with ADC instruction.
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- Explain the role of stack register in 8086 microprocessor. Subject is Introduction to Embedded system.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) 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.
- Q2: Explain the role of Stack Register in 8086 Microprocessor.Write a Verilog code with testbench for 16-bit up/down counter with synchronous reset and synchronous up/down.If up/down is set the counter is up counter and if it is not set, the counter is a down counter. submit the module code, testbench code, and the simulation results. PLEASE EXECUTE CODE IN VERILOGP Flag question Explain the MUL instruction of 8086. Compare it with IMUL instruction. (1 +1 Marks) Write a Assembly language program for 8086 to find the cube of a number using MUL instruction. (5 Marks) (Note : Solve the question in paper, scan and upload along with the other Part B and C answers) B I III
- Explain the SUB instruction of 8086. Compare it with SBB instruction. Write a Assembly language program for 8086 to find the square root of a number using SUB instruction. (Note : Solve the question in paper, scan and upload along with the other Part B and C answers) A BIE1- What does the VOH parameter of a logic IC refer to? a) The highest permissible output voltage. b) The lowest output voltage recognized as logic 1. c) The highest output voltage recognized as logic 1. d) The highest output voltage recognized as logic 0. 2- Which of the following refers to the noise margin of a logic gate? a) The difference between VIH and VOL b) The difference between VOH and VOL c) The difference between VOH and VIH d) The difference between VIH and VIL 3- How many 74LS00 NAND gate inputs can be driven by a 74LS00 NAND gate outputs Refer to data sheet of 74LS00, the maximum values of IOH = 0.4 mA, IOL = 8 mA, IH = 20 μA, and IL = 0.4 mA. 4- The data sheet of a quad two-input NAND gate specifies the following parameters: IOH (max.) 0.4 mA, VOH (min.) 2.7 V, VIH (min.) =2V, VIL (max.) 0.8 V, VOL (max.) 0.4 V, IOL (max.) 8 mA, IL (max.)=0.4 mA, IIH (max.)-20µA, ICCH (max.) 1.6 mA, ICCL (max.) 4.4 mA, tpLH =pHL=15 ns and a supply voltage range of 5…1.Assume that one input of a two-input AND gate is connected to a square wave. If the other input is connected to a logic high, what will be present on the output? A. A constant logic high B. A square wave C. A square wave that mirrors the input square wave D. A constant logic low
- (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) 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.Assume register R0, R1 and R2 contain the value of 0x00000100, 0xAABB1122 and 0x00000102. ARM Cortex-M3 processor executes the instructions STR R1, [R0] and LDRB R1, [R2] in sequence. What is the content of register R1 if the storing mode of data in memory using Little Endian Mode? A. 0xAABB11BB B. 0xAABB1111 C. 0xAABB1122 D. 0x0000BBAA E. 0x00001122