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软件要改。
DDR3换了芯片之后一般时序也是不一样了,根据DDR芯片手册改如下寄存器:
此外,做新版之后都建议测试DDR,可以用CCS挂载仿真器测试.CCS工程可以在这里下载:
http://support.spectrumdigital.com/boards/evm816x/revg/ 中的Test Code
你这2个板子,除了DDR的差异,还有其他什么差异吗?