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Why do I fail on starting my code at 0x410000 in external RAM ?

li lin

I have pull-down P0L.5,EA,BUSTYP0 and CSSEL1,

ROM ranger :0x410000,size 0x10000,

RAM:0x400000,size 0x10000.

My SRAM is 64K*16bit ,12ns,and I use the address line A0~A16.

I set startupV2.A66 ,EBC enalbe,ENCS1 enable,and CS1 Start address is 0x410000.

BTYP:16BIT de multiplexed

phase B=1,phase E=2.

If I use CS0,and start at 0x0000,there is no problem,But it fails when I use CS1,0X410000.

Do I miss any important setting?

0