a.
Draw the structure of RS232 and explain any 4
pins
b.
Describe in detail any 3 software development
tools
c.
Explain the concept of DMAC with neat diagram
d.
Draw the structure of port 0 and explain its
operation in input mode
e.
Compare i2c and can bus
f.
Explain the different services of RTOS
g.
List
the sequence of events that take place while executing an interrupt
h.
List the serial communication protocols and
explain I2C bus with neat sketch
i.
Explain in detail memory organization of 8051
j.
Draw the formats of TCON and TMOD registers and
explain the bits
k. Identify the Addressing modes
for the following instruction
MOV A,#20H
MOV 80H,A
MOV @R1,35H
MOV A,R0
l.
Draw the interfacing diagram to interface LCD
with 8051 and write a program in C language to display “WELCOME” on lcd screen.
m.
Explain starvation and deadlock in detail
n.
Draw the pin diagram of 8051 and explain each
pin
o. Draw and describe Harvard
Architecture and compare with Princeton architecture
p. Describe any 4 bit handling
instructions of 8051
q. Draw the format of SCON and
describe its functionality
r.
Draw
PSW of 8051. State the function of each bit
s. Divide the data in RAM location
13H by the data in RAM location 14H. Then restore the original data in 13H by
multiplying the answer by the data in 14H. Use assembly language for 8051
controller.
t.
Write a program in C language to transfer MSBTE
serially at 9600 baud rate with 1 start bit and 1 stop bit
u. Enlist the various interrupts of
8051 with their priorities, vector locations and cause of interrupts
