|
Pls reading the spec. of controller carefully! ' t/ v3 i1 ?. p- w9 d; P
Maybe you can get some useful info. from the spec. as following :7 }: L8 S/ j$ M# z+ ?+ Q
1、FCE= Flash Chip Enable , they're output pins....
) y* ?* m! ^' D2、FCE[0-4] means your controller can drive 5 pcs of flash max.0 I4 S% @7 t3 m1 `+ b* M6 x
3、FRB = Flash Read Busy, they're input pins...(output from Flash)
; C# [2 N. e! t% L, YSo ,we can know:
% W1 a3 {& Y# X! x+ l3 b* T1- if use only one Flash, the other FCEs can be NC. (Not Connected)
* y( {$ e3 I- u. d6 A! }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/down8 V( _ ^. _, X4 `
3 w' w0 J* L' v
nnd,好痛苦英语,太郁闷了。。。。 |
评分
-
查看全部评分
|