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Microcontrller's Instructions

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JeffreyPeter

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Hi, I understand the basic architecture of 8051. But I don't know the microcontroller's instruction performs an action, for example Mov instruction... how the microcontroller performs a move action, on reading this code ??
Thanks in advance.....:confused:
 
Hi, I understand the basic architecture of 8051. But I don't know the microcontroller's instruction performs an action, for example Mov instruction... how the microcontroller performs a move action, on reading this code ??
Thanks in advance.....:confused:
I'm a tad confused.... What is it you need to know exactly!!

Have you looked at an ALU circuit ( Arithmetic Logic Unit ) To see how one works? Or do you need to know the why's and wherefor's of machine code...
 
hi,
Look at this link.
**broken link removed**

The CPU [Central Processing Unit] does not 'see' the MOV x,y mnemonic, it reads read the actual hex machine code instruction at the location pointed to by CPU's program counter.
 
Yeah.. Now I understand it... Earlier I was asking what were thee steps that are followed by MC when the instruction is decoded...
 
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