Отправлено Suhovey Alexey 05 октября 2003 г. 17:45

module test2(Clock1,Out1);
    inout Clock1;
    output Out1;
 assign  Out1 = Clock1;
endmodule

Started process "Map".

Using target part "2s15vq100-6".
Removing unused or disabled logic...
Running cover...
Running directed packing...
ERROR:Pack:1107 - Unable to combine the following symbols into a single IOB
component:
PAD symbol "Clock1" (Pad Signal = Clock1)
BUF symbol "Clock1_IBUF" (Output Signal = Clock1_IBUF)
Each of the following constraints specifies an illegal physical site for a
component of type IOB:
Symbol "Clock1" (LOC=P39)
Please correct the constraints accordingly.
Problem encountered during the packing phase.

Design Summary
--------------
Number of errors : 1
Number of warnings : 0
ERROR: MAP failed

Completed process "Map".

Mapping Module test2 . . .
MAP command line:
map -quiet -p xc2s15-vq100-6 -cm area -pr b -k 4 -c 100 -tx off -o test2_map.ncd test2.ngd test2.pcf
Mapping Module test2: failed

• Ответ: — none   (05.10.2003 18:45, 149 байт)
  • А если я хочу просто завести сигнал Clock1 и вывести наружу его копию? — Suhovey Alexey   (05.10.2003 19:20, 996 байт)
    • Если Clock1 приходит на тактовую ногу, он не может быть inout, только in — matyushin   (06.10.2003 11:17, пустое)