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.

c6655支持两片4Gb (32M x 16 x 8) 扩展成8Gb(32位)吗?



在手册SPRABI1A中2.6.2 节看到是支持的,如下:

x16 SDRAM 4Gb / (32M x 16 x 8) x 2 SDRAMS x32 1024MB

但是我们的板子在配置DDR3控制器SDCFG时,IBANK_POS=0;IBANK=3;EBANK=0;ROWSIZE =6;NM=1。

发现只能识别0x80000000~0x9fffffff的ddr3地址,后面的0xa0000000YUE 0X80000000重复。

请问是不是因为不能使用1个片选(EBANK=0)?