This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
这两个只是容量上有差异,接线上应该没区别才对。
单片的DDR3接AM437x的原理图设计,可以参考DATASHEET的
Figure 5-49. 16-Bit DDR3 Interface Using One 16-Bit DDR3 Device With VTT Termination
Figure 5-50. 16-Bit DDR3 Interface Using One 16-Bit DDR3 Device Without VTT Termination
http://www.ti.com/lit/ds/symlink/am4378.pdf
而在软件配置上,一定是有改动的才对,印象中容量变了的话,多半是会修改SDRAMCONFIG的数值。建议你核对一下这个里面的设置。