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What is AMBA, why is it used and how does it differ from DMA?

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billjoy

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Q1.What is AMBA, Why ARM define AMBA , any documeny about the history
of AMBA?
Q2.Who is the father of ARM? any article / ebook about the history of ARM?

Q3.Why most IP use AMBA, define M/S can get waht kind benefit for SOC
design?

Q4.If AMBA also define for bust RAM access, then what's different between AMBA and DMA ?

Q5.Any Verilog RTL example about AMBA M/S control implement?
 

snake_eyes

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Re: AMBA Question?

You can get most of the information (and much more) if you do some serius searching on www.google.com

Cheers!
Tejas
 

jingli888ca

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AMBA Question?

Hello, Billjoy:

AMBA is like a local bus, such as Mot860 bus, only it is inside a SoC. DMA is a mechanism to transfer large pack of data between devices that are mapped into memory space.

Very often, DMA is used to access the system memory, such as the DDR SDRAM.

Hope this helps.

Jing
 

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