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Pls reading the spec. of controller carefully!
+ F) t ]( ]1 gMaybe you can get some useful info. from the spec. as following ：
" P. A& h2 A$ O1 W* f5 a& R& N1、FCE= Flash Chip Enable , they're output pins....
* @7 L7 u: o* ?4 G9 y2、FCE[0-4] means your controller can drive 5 pcs of flash max." h1 d4 ^+ _7 O
3、FRB = Flash Read Busy, they're input pins...（output from Flash）
6 Z% F. K# c+ CSo ,we can know:
4 O8 q& E* D/ W; c9 v& ?1 a1- if use only one Flash, the other FCEs can be NC. (Not Connected)
: N, N2 k) ^. a8 a2- maybe you can't left the FRB1 float, if you're not sure,you can phone the FAE of the controller or put some NC.RES to pull-up/down
' ~# S) h7 ]8 p5 o3 E! O2 W
# V& G- \7 i$ j, l. U" W+ I9 Mnnd，好痛苦英语，太郁闷了。。。。 |
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发表于 2008-7-5 01:37
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淘帖
支持！
反对！
楼主