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C6748的NANDFLASH读写速度疑问



最近用C6748开发板测试板上NAND的读写速度。采用STARTWARE下的NANDFLASH测试。

一次写入128KB数据,之后再读出,对比数据正确性。通过timer2来计时。

采用DMA的情况下,读写都再0.8M/S。

速度好慢。

请教TI的各位,有什么方法提速么。