8??16??32λ????????????????
?????????????????8λ??16λ??32λ?????????????????????????????????????!!!
8λ??16λ??32λ????????????????????????????????????????????
1)?? ??CPU?????????,???????8λ???????64λ,8λ?????CPU?????????????????д???8λ???????0????1,???16???????????64λ??64λ???????
2)??8λ??16λ??32λ????????????о???????λ????????8λ???????????????8λ?????????32λ??MCU???????32λ??????(????????????16??????8λ??????)??
????????ARM?????????????????????????
?????????????CPU?????????????????Intel????????CPU?????????????????????????20λ????CPU?????????2^20=1024*1024???=1024K???
=1M???;286??????????????????????24λ??CPU?????????2^24=1024*4*1024*4B=4*1024*4KB=16M;386??386?????????????????????????32λ??
CPU?????????2^32=4096M???=4G???? ?????????????????CPU???磬????к?????????????????????????????P???CPU??????????????????????
?????????
?????????????????????CPU????????????????λ ????32λ?????????(?????????K60)??????0x4000 0001???и????????????????в?????32λ???
????????????4?????(8*4=32)????????е??????0x4000 0000----0x4000 0003??32λ???????2^32????????????4G??
?Щ???????д????????????????????????λ??·?????????!
????admin ?????????2018-05-18
