4. Design an interface arrangement for 8085 microprocessor to map output ports in address space 85 H and input ports in address space 89 H.
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- Write an assembly language program for 8085 microprocessor to add 2 digit BCD numbers stored in memory location C050H and C051H respectively and store the result in memory location C052H.Explain with appropriate example the Branching Instructions of 8085 microprocessor.Discuss about the functional unit of 8085 microprocessor.
- Consider two microprocessors having 8-bit and 16-bit wide external data buses, respectfully. The two processors are identical otherwise and their bus cycles are the same speed. Suppose all instructions and operands are two Bytes. By what factor do the maximum data transfer rates vary? Suppose all instructions and operands are one Byte. By what factor do the maximum data transfer rates vary? Discuss your answers.Draw a block diagram of Execution and Bus interface units of 8086 microprocessors.List 8051's primary characteristics. Explain the basic microcontroller block diagram using a clean and labelled graphic. Embedded system introduction
- Write an 8088/8086 assembly program that counts the length of a null terminated string that starts at location STR.print The result on the screen Assume string length will not exceed 255 character.Draw the schematic of a three-input NAND gate. What are the W/L ratios for thetransistors based?An ADC has a uniform quantizer followed by a 7-bit binary encoder. The bit rate of the system is 50Mbps. What is the maximum frequency of the analog signal for which system operation is satisfactory?
- 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?Compare the maximum conversion times of a 8-bit digital-ram p ADC and a 8-bit successive- approximation ADC if both utilize a 500-KHz and .l .5 MHz clock frequency.For an efficient communication in PCM system, the number of samples per second must be at most be equal to twice the highest modulating frequency.a. A very important considerationb. No, it must be at least equal to twice the highest modulating frequencyc. 80-50 percent true