ISE的問題...請教前輩們

mclaren_18

   如題:
7 n+ k3 x- I) I, o各位大大們:
2 h% R! t4 c# ~4 J# ~& A請教一下  Number of bonded IOBs:                563  out of    440   127% (*)
' ^9 c. l# w' j4 t我的IOB超出範圍出現以下錯誤..該如何解決啊??

% v* v8 G* b% v, U4 NERRORack:2309 - Too many bonded comps of type "IOB" found to fit this device.
% G6 R/ r/ u5 a! t
6 x" Z: Q+ N7 [. B( I: ]8 V8 ?' [! b: zERROR:Map:115 - The design is too large to fit the device.  Please check the
% p2 W: v- g8 M  v5 l1 x- c5 g   Design Summary section to see which resource requirement for your design
   exceeds the resources available in the device.  In particular check the
: _, A; i6 v' l: S# Z, O   non-slice resources since the slice counts may reflect the early termination
   of the flow.
" y  ]( C0 A7 @; p3 {% \! n, K8 ^
; Y4 S  d0 c) W5 }# W2 _   NOTE:  An NCD file will still be generated to allow you to examine the mapped
" t6 p6 p6 |$ i8 }5 X. {   design.  This file is intended for evaluation use only, and will not process
0 }' W2 g* y+ ^6 u   successfully through PAR.
. c1 M+ D* C3 U  F8 P
/ T) w9 R+ F; b8 ^" C3 Q+ ~& ?ERRORack:2309 - Too many bonded comps of type "IOB" found to fit this device.

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