tmperr.err

Mars-XC2S50-S-Core-V2.0开发板核心板的说明和设计文档

WARNING:Cpld:310 - Cannot apply TIMESPEC TS1000 =
   PERIOD:PERIOD_XLXI_2/ddram_1_ddram<6>.CLKF:0.000 nS because of one of the
   following: (a) a signal name was not found; (b) a signal was removed or
   renamed due to optimization; (c) there is no path between the FROM node and
   TO node in the TIMESPEC.
WARNING:Cpld:310 - Cannot apply TIMESPEC TS1001 =
   PERIOD:PERIOD_XLXI_2/ddram_1_ddram<5>.CLKF:0.000 nS because of one of the
   following: (a) a signal name was not found; (b) a signal was removed or
   renamed due to optimization; (c) there is no path between the FROM node and
   TO node in the TIMESPEC.
WARNING:Cpld:310 - Cannot apply TIMESPEC TS1002 =
   PERIOD:PERIOD_XLXI_2/ddram_1_ddram<3>.CLKF:0.000 nS because of one of the
   following: (a) a signal name was not found; (b) a signal was removed or
   renamed due to optimization; (c) there is no path between the FROM node and
   TO node in the TIMESPEC.
WARNING:Cpld:310 - Cannot apply TIMESPEC TS1003 =
   PERIOD:PERIOD_XLXI_2/ddram_1_ddram<1>.CLKF:0.000 nS because of one of the
   following: (a) a signal name was not found; (b) a signal was removed or
   renamed due to optimization; (c) there is no path between the FROM node and
   TO node in the TIMESPEC.
WARNING:Cpld:310 - Cannot apply TIMESPEC TS1004 =
   PERIOD:PERIOD_XLXI_2/ddram_1_ddram<0>.CLKF:0.000 nS because of one of the
   following: (a) a signal name was not found; (b) a signal was removed or
   renamed due to optimization; (c) there is no path between the FROM node and
   TO node in the TIMESPEC.
WARNING:Cpld:310 - Cannot apply TIMESPEC TS1005 =
   PERIOD:PERIOD_XLXI_2/ddram_1_ddram<2>.CLKF:0.000 nS because of one of the
   following: (a) a signal name was not found; (b) a signal was removed or
   renamed due to optimization; (c) there is no path between the FROM node and
   TO node in the TIMESPEC.