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楼主 |
发表于 2014-10-16 09:57:04
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回复【2楼】aozima:
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0x8000 0000 to 0xDFFF FFFFOff-chip Memory via the External Memory Controller
Four static memory chip selects:
0x8000 0000 - 0x83FF FFFF Static memory chip select 0 (up to 64 MB)
0x9000 0000 - 0x93FF FFFF Static memory chip select 1 (up to 64 MB)
0x9800 0000 - 0x9BFF FFFF Static memory chip select 2 (up to 64 MB)
0x9C00 0000 - 0x9FFF FFFF Static memory chip select 3 (up to 64 MB)
Four dynamic memory chip selects:
0xA000 0000 - 0xAFFF FFFF Dynamic memory chip select 0 (up to 256MB)
0xB000 0000 - 0xBFFF FFFF Dynamic memory chip select 1 (up to 256MB)
0xC000 0000 - 0xCFFF FFFF Dynamic memory chip select 2 (up to 256MB)
0xD000 0000 - 0xDFFF FFFF Dynamic memory chip select 3 (up to 256MB)
您说的是下面选择的是选择了哪个区,地址就是在哪个区是吧,比如我选择的是Static memory chip select 0,那它的地址0x8000 0000就是该外接存储器的起始地址吧 |
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