如果EBI设定访问数据宽度是2 bytes,因ARM核访问地址需要2对齐,所以代码如下。假设EBI只接2根地址线,接法如下。
pEbiBuffer +0/2/4/8对应发出的EBI地址为 0x00,0x01,0x02, 0x3
*(unsigned short *)(pEbiBuffer+0)=0xFFFF
*(unsigned short *)(pEbiBuffer+2)=0xAAAA
*(unsigned short *)(pEbiBuffer+4)=0x5555
*(unsigned short *)(pEbiBuffer+8)=0x1111
测量地址线,波形如下