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Pls reading the spec. of controller carefully! * t6 u: {# P2 H. `
Maybe you can get some useful info. from the spec. as following ：
! | Y: {6 j8 d0 H" m4 _2 U1、FCE= Flash Chip Enable , they're output pins...., @; [! I+ V3 {( Q _
2、FCE[0-4] means your controller can drive 5 pcs of flash max.9 b$ u# }9 Y7 W' j7 q' u9 z8 x
3、FRB = Flash Read Busy, they're input pins...（output from Flash）
/ K6 i3 e O$ y) G( @So ,we can know:
( @3 h1 S& ]$ E1- if use only one Flash, the other FCEs can be NC. (Not Connected)8 y9 V, O& F' A- w, B& C! S
2- 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
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nnd，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