Harvard vs Von newman Structure

[TuAtAu]

Hi guys,

Harvard Architecture Have 2 different bus , DATA and INSTRUCTION.

So in designing Harvard Architecture,
We want to separate the buses?

That's mean Instruction FETCH only read from Instruction Bus (never write) ;
DATA I/O Load/Store on read/write from DATA bus ;?

In the other word,
We need 2 memory elements(such as flash memory) to store our Instruction and Data separately?

Is it my statements is correct?

 

[xtcx]

Hi guys,

Harvard Architecture Have 2 different bus , DATA and INSTRUCTION.

So in designing Harvard Architecture,
We want to separate the buses?

That's mean Instruction FETCH only read from Instruction Bus (never write) ;
DATA I/O Load/Store on read/write from DATA bus ;?

In the other word,
We need 2 memory elements(such as flash memory) to store our Instruction and Data separately?

Is it my statements is correct?

Yes, you can use one memory but two different locations for pointing.