8253 program
hey guys i've got this program to calculate time delay using 8253. pls help me with the codings. i don't get the logic.
MVI A,30H
OUT 0CEH
MVI A,05H
OUT 0C8H
MVI A,OOH
OUT 0C8H
HLT
pls help me guys!!!
thanks
MVI A,30H
OUT 0CEH
MVI A,05H
OUT 0C8H
MVI A,OOH
OUT 0C8H
HLT
pls help me guys!!!
thanks
Replies
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binu_jiMVI A,30H
OUT 0CEH
Here 30H is the value which is stored in the control word of 8253.
For control word operation please check the above figure,
OUT 0C8H
here 0C8h may be address of some device.
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