Please do number 1, 2, or whichever is easy for you on the page 1.Determine the value in R17 for the following AVR instructions:LDI R17, (1<<7)NEG R17LDI R17, ($CC>>2)ORI R17, ŠAALDI R17, $7FLDI R16, $7BADD R17, R17LDI R17, $4ALDI R16, $B3ADD R17, R16ADC R17, R16ROR R17LSL R17R17 =R17 =R17 =R17 =2.Fill in the values in the data RAM locations specified for the following AVR code:LDI R20, 01, 0LDI R16, $56LDI R17, $78LDI R18, $12LDI R19, $34Addres74321LDIS$200$201SUB R18, R16SBC R19, R17$202SBC R20, R21STS $200, R18STS $201, R19STS $202, R20|3.The number $5678 resides in data RAM $300 and $301 in little endian order. Thenumber $1234 resides in data RAM at $302 and $303 (little endian). Write AVR code that dividesthe first number by the second and stores the result in $400, $401.4.It is desired to configure a PWM Output Pin on an ATmega328P. Write the AVR Assemblycode that will set up an output pin for one of the 8-bit timers (Timer0 or Timer2) to meet thefollowing specification: Phase Correct PWM, TOP = $FF, Output is NON-INVERTED, PWMfrequency is 980 Hz and the duty cycle is 33%.5.A temperature sensor creates an output current proportional to temperature with thefollowing constant: 1 mA / °C. (mA is milli-ampere, le-3 amps) The sensor is terminated in a 30-ohm resistor, creating a measurable voltage. It is desired to input this voltage into a 10-bit ADCwith a reference voltage of 3.3 volts, measuring water temperatures between freezing andboiling. Assume that the code to set up and run an ADC conversion has been written and theresults reside in the ADCL, ADCH registers. Write the AVR assembly code to convert the 10-bitADC readings ($0000 – $03FF possible) into an unsigned $HEX number corresponding to thetemperature value in Celsius, storing the result is $200.Example: Temperature is 25°C, sensor makes a voltage of 0.75 volts, producing an ADCH:ADCLreading of $0E8 (23210) and the value to be stored is $19 [Use may use this ratio, 232 bits to25°C = 9.3, as the mapping ratio in your divide loop]

1. Determine the value in R17 for the following AVR instructions: LDI R17, (1<<7) NEG R17 LDI R17, ($CC>>2) ORI R17, $AA LDI R17, $7F LDI R16, $7B ADD R17, R17 LDI R17, $4A LDI R16, $B3 ADD R17, R16 ADC R17, R16 ROR R17 LSL R17 R17 = R17 = R17 = R17 = 2. Fill in the values in the data RAM locations specified for the following AVR code: LDI R20, 0 LDI R21, 0 LDI R16, $56 LDI R17, $78 LDI R18, $12 LDI R19, $34 SUB R18, R16 SBC R19, R17 SBC R20, R21 STS $200, R18 STS $201, R19 STS $202, R20 Addres 7 6 4 3 2 S $200 $201 $202

1. Determine the value in R17 for the following AVR instructions: LDI R17, (1<<7) NEG R17 LDI R17, ($CC>>2) ORI R17, $AA LDI R17, $7F LDI R16, $7B ADD R17, R17 LDI R17, $4A LDI R16, $B3 ADD R17, R16 ADC R17, R16 ROR R17 LSL R17 R17 = R17 = R17 = R17 = 2. Fill in the values in the data RAM locations specified for the following AVR code: LDI R20, 0 LDI R21, 0 LDI R16, $56 LDI R17, $78 LDI R18, $12 LDI R19, $34 SUB R18, R16 SBC R19, R17 SBC R20, R21 STS $200, R18 STS $201, R19 STS $202, R20 Addres 7 6 4 3 2 S $200 $201 $202

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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