ARM Technical Support Knowledge Articles

Can I change the value of msync and async after the power supply is turned on?

Applies to: PL340 AXI SDRAM Controller

Answer

We do not support this feature and hence do not guarantee the operation as we have not tested it.

But it is possible to change the value of async and msync to another legal setting after power up, however this can only be done under static conditions when the memory controller is idle. The safest method of doing this would be to put the memory into self refresh mode.

Article last edited on: 2008-09-09 15:47:52

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