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Module-1 of Model Paper-1 (Explained with solutions)
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1a] Bring out the difference between Microprocessor and Microcontroller. 1b] Differentiate between CISC and RISC. 1c] With a neat architecture diagram explain the architectural features of 8051 microcontroller.
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2a] With neat diagram explain the internal memory structure and programming model of 8051 microcontroller. 2b] Write an interfacing diagram 8051 microcontroller interfaced to 8k bytes of ROM and 8k bytes of RAM. 2c] Write a short note on criteria for choosing a microcontroller.
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Module-2 of Model Paper-1 (Explained with solutions)
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3a] Explain 5 different addressing modes of 8051 with examples. 3b] Write an assembly language program to multiply 16 bit number with 8 bit number and Store the result in memory. 3c] Write an ALP to convert a packed BCD number into two ASCII numbers. Store the result in R5 and R6 respectively.
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4a] Write an assembly language program to add two 16 bit numbers loaded in R1R0 and R3R2. Store the result in R6, R5 and R4 from MSB to LSB. 4b] Explain Rotate instructions with examples. 4c] Explain the following instructions, also mention how many bytes it takes to store in ROM: 1. DJNZ Rn, R_ADDRESS 2. JNC R_ADDRESS 3. DA A 4. MOVX A, @A+
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Module-3 of Model Paper-1 (Explained with solutions)
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5a] Explain mod 2 operations of timers and explain steps involved in programming timer in mod 2. 5b] Analyze the structure of TMOD register. 5c] Explain RS232 standard and 9 pin DB connector
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6a] Write a C program to transfer “YES” serially at 9600 baud rate, 8 bit data, 1 stop bit, do this continuously. 6b] Analyze the structure of TCON register . 6c] Explain full duplex, half duplex and simplex in serial communication
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Module-4 of Model Paper-1 (Explained with solutions)
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7a] Explain the structure of Interrupt priority and interrupt enable register .7b] Analyze Interrupt control used in 8051. 7c] Explain how multiple interrupts are handled in 8051 microcontroller
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8a] List the steps involved in executing an interrupt. 8b] Explain interrupt vector table of 8051 microcontroller. 8c] Explain the steps involved in Programming 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 Stepper motor to 8051 microcontroller. 9b] Explain the interfacing of DC motor using C programming
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10a] With neat diagram write an assembly language program to interface LCD to 8051 microcontroller. 10b] Explain DAC interface with diagram and also write program to generate staircase waveform
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Microcontroller || BEC405A || Model Question Paper-1 with solutions (EXPLAINED) || EEE/ECE Stream || 2022 Scheme || Video Course and Study Material
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