STUPIDSID
Attempt the following
1 (a)
Explain following signals of 8085
1) ALE,
2) READY,
3) INTR
1) ALE,
2) READY,
3) INTR
5 M
1 (b)
Explain addressing modes of 8085?
5 M
1 (c)
Explain different assembly directives of 8051?
5 M
1 (d)
Explain control word of 8255?
5 M
2 (a)
Explain interrupt structure of 8051?
10 M
2 (a)
Explain different modes of operation of 8254?
10 M
3 (a)
Explain register architecture of ARM processor?
10 M
3 (b)
Explain architecture of 8051 with neat label diagram?
10 M
4 (a)
Explain interfacing of 8259 with 8085 showing decoding logic?
10 M
4 (b)
Explain architecture of 8051?
10 M
5 (a)
write an assembly language program to read 4 x 4 interface through 8255?
10 M
5 (b)
Explain interfacing of external memory with 8051?
10 M
6 (a)
Compare variant of 8051 such as 89C51,89C52,89C2051 and 89C2052?
10 M
6 (b)
Explain different I/O mapping techniques. Give suitable examples?
10 M
Write Short notes:
7 (a)
Serial communication supported by 8085.
5 M
7 (b)
Program status word of 8051.
5 M
7 (c)
Interrupt acknowledge bus cycle of 8085?
5 M
More question papers from Microcontroller and Applications