Wait until SDRAM self-refresh is effective.
设置延时程序使SDRAM的自我刷新有效。
The Memory chip is DDR SDRAM memory type chip.
内存芯片的DDRSDRAM内存芯片的类型。
Video data stream is stored into SDRAM via It's controller.
视频数据流通过该控制器接收，然后存入片外sdram中。
Video data stream is stored into SDRAM via It's controller.
视频数据流通过该控制器接收，然后存入片外sdram中。
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