memory organisation of 8051 with necessary memory mapping schematic.

b) Differentiate between the operations involved while executing the 8051 instructions(6)

MOVX A,@DPTR and MOVC A,@A+DPTR
PARTC
Answer any two full questions, each carries 20 marks
a) What are the features of the different modes of operations of 8051 timers?

b) Illustrate how mode setting of counters/timers of 8051 is done.

c) Show the schematic diagram of a 4-digit dynamic LED display system

interfaced to 8051 microcontroller.

a) Mention the different interrupt sources of 8051 microcontroller and their order of
priority.

0) Illustrate how an 8-bit ADC of 8-channel input is interfaced to 8051 with a
schematic.

c) Write an assembly language program for 8051 to generate a staircase waveform
with 15 steps.

a) Compare the different modes of configuring the serial port of 8051.

b) Illustrate the interfacing of a stepper motor to 8051 microcontroller with necessary
schematic diagram.

c) Write an assembly language programme to rotate a stepper motor interfaced to
8051 microcontroller clockwise continuously.

اد بد اد ‎मे‏

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