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Module-1 of Model Paper-1 (Explained with solutions)
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1a] With a neat architecture diagram explain the architectural features of 8051 microcontroller. 1b] Bring out the difference between Microprocessor and Microcontroller.1c] With simple block diagram explain the features of 8051 microcontroller.
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2a] Interface 4k bytes RAM and 8k bytes ROM to 8051 microcontroller in such a way that starting address of RAM is 1000H and ROM is C000H. 2b] With function of each pin explain the pin layout of 8051 microcontroller. 2c] Define microcontroller, mention its applications.
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Module-2 of Model Paper-1 (Explained with solutions)
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3a] Explain 5 different addressing modes with example. 3b] Write an ALP to convert a packed BCD number into two ASCII numbers. Store the result in R5 and R6 respectively. 3c] List and explain bit level logical instructions in 8051.
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4a] Define assembler directives. With example explain all the assembler directives supported by 8051 microcontroller. 4b] Write an ALP to convert a Binary number to packed BCD number (hexadecimal to decimal). The binary number is stored at 40h location. Store the converted packed BCD number at 50h and 51h internal RAM location. 4c] With neat diagram explain the range of JUMP instructions
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Module-3 of Model Paper-1 (Explained with solutions)
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5a] Explain the bit contents of TCON and TMOD registers. 5b] Write an assembly language program to transfer multi-byte data serially with 9600 baud rate. 5c] Explain how timers are programmed in mode 1.
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6a] Explain the bit pattern of SCON register with diagram. 6b] Assuming XTAL frequency as 11.0592Mhz, write a program to generate 4Khz square wave on P2.1. Use timer 0 in model show all the calculations. 6c] Explain RS232 in serial communication using 8051 microcontroller
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Module-4 of Model Paper-1 (Explained with solutions)
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7a] Explain how interrupt priority can be changed using IP register. Also explain the default priorities assigned to interrupts in 8051 microcontroller. 7b] Explain how programming of external hardware interrupts is done in 8051 microcontrollers with a code. 7c] Explain programming of timer interrupts.
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8a] Explain the bit contents of IE register. 8b] Write a C program using interrupts to generate a square wave on port pin P1.2 of 1kHz using timer-0 in mode 2. c] Explain programming of serial communication interrupts
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Module-5 of Model Paper-1 (Explained with solutions)
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9a] With neat diagram write an assembly language program to interface DAC to 8051 microcontroller. 9b] Write a program to display “HELLO WORLD” by interfacing LCD display to 8051 microcontroller
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10a] With neat diagram write an assembly language program to interface ADC0804 to 8051 microcontroller.10b] With neat diagram explain the interfacing of stepper motor using 8051 microcontroller.
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Microcontroller || BEC405A || Model Question Paper-2 with solutions (EXPLAINED) || EEE Stream || 2022 Scheme || Video Course and Study Material (Copy 1)
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