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Control Unit of a CPU

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cmos babe

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How are control units designed in general ?
Any ideas,links,book suggestions are appericated..
 

control unit are designed using FSM and/or microprogramming... both approaches have there own (dis)advantages....

FSM--require random logic, more area - not feasible for complex instruction implementation but fast control..

microprogrammed-- use ROM, slower control

see any good computer arch book...

like...

1) computer organization & design The hardware/software interface (2nd/3rd ed)

by Patterson and Hennessy

2) Computer System Architecture (3rd Ed)

by M. Morris Mano

etc...

see also

http://www10.dacafe.com/book/parse_book.php?article=BITSLICE/index.html

http://www.fpgacpu.org/
 

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    cmos babe

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