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ARM Community: Difference between PL080 and PL330 - ARM Community

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Difference between PL080 and PL330 Rate Topic: ****- 1 Votes

#1 User is offline   Mickey19 

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Posted 04 April 2012 - 05:59 AM

What is the difference between PL080 and PL330 as both are DMAC controller.
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#2 User is offline   Mickey19 

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Posted 04 April 2012 - 07:03 AM

I guess it has to do with SOC having microprocessor and Microcontroller. PL080 supports linked list, scatter gather etc will be used in SOC having uP with virtual memory whereas PL330 for simple microcontrollers.
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#3 User is offline   archie 

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Posted 09 April 2012 - 05:09 AM

Another major difference is PL330 is actually programmable DMA in the sense it has an instruction pipeline which can execute DMA instructions which makes it quite powerful and independent of CPU for most tasks, It also supports up to 8 independent channels with flow control, it also has trustzone capability.
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