ISE的問題...請教前輩們

mclaren_18

   如題:
! c3 D- f% r; v: l1 v( x( W  j各位大大們:
請教一下  Number of bonded IOBs:                563  out of    440   127% (*)
: O! B# q- @0 n7 u  Q9 q- v我的IOB超出範圍出現以下錯誤..該如何解決啊??

2 J& l9 d; ~; I9 A3 p4 TERRORack:2309 - Too many bonded comps of type "IOB" found to fit this device.
! F1 |: |2 A' M! ^  l  C- J( X
  ?  r: B2 r; rERROR:Map:115 - The design is too large to fit the device.  Please check the
3 G5 b0 L, X+ X) _7 n: H   Design Summary section to see which resource requirement for your design
   exceeds the resources available in the device.  In particular check the
( e) u1 @, \7 O7 V3 Q9 T, l/ a  S   non-slice resources since the slice counts may reflect the early termination
5 v( D9 `% q- y8 s5 |4 h   of the flow.

   NOTE:  An NCD file will still be generated to allow you to examine the mapped
   design.  This file is intended for evaluation use only, and will not process
   successfully through PAR.

ERRORack:2309 - Too many bonded comps of type "IOB" found to fit this device.

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