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关于2812ad 数据写SDRAM的问题



2812的AD 可以达到12.5M

如果以3-5M采集速度采集,实时数据写SDRAM   按照连续采集1秒的采样时间长短,   直接写SDRAM 有问题吗?

中间会不会有死区时间?

要不要考虑SDRAM的刷新频率?

是通过DMA 进行数据传输比较好吗?

需要注意哪些问题?