我在设计 中 分成两个元件 对两个元件编程仿真 均成功 而且连警告都没有 可是 把两个元件连接起来就不行了
出现了：
Mapping a total of 106 equations into 8 function blocks...................................................................................................................................................................................................................................................................................ERROR:Cpld:892 - Cannot place signal XLXI_1/cnt<1>. Consider reducing the
ERROR:Cpld:868 - Cannot fit the design into any of the specified devices with
ERROR: Fit failed
其中XLXI_1 是用于两个元件相连的信号 怎么回事 元件例化就是不对！！！！
详尽情况：
Started process "Fit".
Release 7.1.04i - CPLD Optimizer/Partitioner H.42
Copyright (c) 1995-2005 Xilinx, Inc. All rights reserved.
Considering device XC95144XL-10-TQ144.
Flattening design..
Multi-level logic optimization...
Timing optimization....................................................................................................................................................................................................................................................................
Timing driven global resource optimization
General global resource optimization........
Re-checking device resources ...
Mapping a total of 106 equations into 8 function blocks...................................................................................................................................................................................................................................................................................ERROR:Cpld:892 - Cannot place signal XLXI_1/cnt<1>. Consider reducing the
collapsing input limit or the product term limit to prevent the fitter from
creating high input and/or high product term functions.
.
ERROR:Cpld:868 - Cannot fit the design into any of the specified devices with
the selected implementation options.
ERROR: Fit failed
Reason:
Started process "Generate HTML report".
Release 7.1.04i - CPLD HTML Report Processor H.42
Copyright (c) 1995-2005 Xilinx, Inc. All rights reserved.
Process "Fit" did not complete.
FIT 老也不成功 呀 真的不知道怎么办了 求教！！！！！！！！！！1 | 
