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GMPC DMA 疑问



请问一下,

假若GPMC的DMA已经在执行了,

是否有可能将它停止或是暂停。

例如:GPMC的DMA要传送1000字节到其他

装置记忆体,然后传送到一半(假设已传送500个字节以后)时,

停止或暂停传送剩余的字节数。