1 (a)
Explain program status word of 8051 micro controller in detail.
5 M
1 (b)
Describe the TCON, TMOD SFR?
5 M
1 (c)
Explain the ARM7 pipeline mechanism.
5 M
1 (d)
What are the statuses of Condition Flags in Logical & Arithmetic Instructions?
5 M
2 (a)
What are the different addressing modes of 8051 micro controller? Explain each with suitable example.
10 M
2 (b)
Explain various timer modes available in 8051 micro controller in detail.
10 M
3 (a)
Describe the interrupt structure of 8051 in detail.
10 M
3 (b)
Explain the following instructions of 8051 with examples.
i) CJNE destination source, label,
ii) MUL AB,
iii) INC @Rp
iv) SWAP A
v) SETB P2.0
i) CJNE destination source, label,
ii) MUL AB,
iii) INC @Rp
iv) SWAP A
v) SETB P2.0
10 M
4 (a)
Explain ARM Processor modes.
10 M
4 (b)
Explain various ARM processor exceptions & interrupt with its vector locations.
10 M
5 (a)
Explain how the ARM instruction set suitable for embedded applications.
10 M
5 (b)
Explain the following instructions of ARM processor
i) TSTEQ r2, #5;
ii) CMP r0, r1;
iii) BICEQ r2, r3, #7;
iv) MVNEQ r1, #0;
v) STR r0, [r1, #12].
i) TSTEQ r2, #5;
ii) CMP r0, r1;
iii) BICEQ r2, r3, #7;
iv) MVNEQ r1, #0;
v) STR r0, [r1, #12].
10 M
6 (a)
Create a square wave of 50% duty cycle over a pin P1.5 with 2 khz frequency (Assume Crystal frequency=12 Mhz).
10 M
6 (b)
Write an 8051 assembly language program to find largest number among five 8-bit numbers?
10 M
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